diff --git a/WorkshopIEEE/python.workshop.ieee.pdf b/WorkshopIEEE/python.workshop.ieee.pdf
deleted file mode 100644
index 7a40d57..0000000
Binary files a/WorkshopIEEE/python.workshop.ieee.pdf and /dev/null differ
diff --git a/WorkshopIEEE/sol01.py b/WorkshopIEEE/sol01.py
deleted file mode 100644
index 3f155ba..0000000
--- a/WorkshopIEEE/sol01.py
+++ /dev/null
@@ -1,3 +0,0 @@
-pirnt("Hi")
-print ("Hi"
-print ("Hi)
\ No newline at end of file
diff --git a/WorkshopIEEE/sol02.py b/WorkshopIEEE/sol02.py
deleted file mode 100644
index d3ee773..0000000
--- a/WorkshopIEEE/sol02.py
+++ /dev/null
@@ -1,15 +0,0 @@
-
-r = float(input('Δώσε την τιμή της ακτίνας: '))
-p = 3.14
-perimetros = r * p
-emvadon = p * r * r
-print('Η περίμετρος του κύκλου είναι ' + str(perimetros))
-
-print('Το εμβαδόν του κύκλου είναι ', emvadon)
-
-
-
-
-
-
-
diff --git a/WorkshopIEEE/sol03.py b/WorkshopIEEE/sol03.py
deleted file mode 100644
index b1ff4df..0000000
--- a/WorkshopIEEE/sol03.py
+++ /dev/null
@@ -1,10 +0,0 @@
-hours=int(input("Dwse wra : "))
-minutes=int(input("Dwse lepta : "))
-seconds=int(input("Dwse deyterolepta : "))
-if hours<10:
-     hours="0"+str(hours)
-if minutes<10:
-     minutes="0"+str(minutes)
-if seconds<10:
-     seconds="0"+str(seconds)
-print(str(hours)+":"+str(minutes)+":"+str(seconds))
\ No newline at end of file
diff --git a/WorkshopIEEE/sol04.py b/WorkshopIEEE/sol04.py
deleted file mode 100644
index bc0d116..0000000
--- a/WorkshopIEEE/sol04.py
+++ /dev/null
@@ -1,5 +0,0 @@
-for a in range(0,20+1):
-    for b in range(0,20+1):
-        for c in range(0,20+1):
-            if a**2 + b**2 == c**2:
-                print(str(a) + "," + str(b) + "," + str(c))
\ No newline at end of file
diff --git a/WorkshopIEEE/sol05.py b/WorkshopIEEE/sol05.py
deleted file mode 100644
index b9eb470..0000000
--- a/WorkshopIEEE/sol05.py
+++ /dev/null
@@ -1,8 +0,0 @@
-movie=["lot1","lot2","lot3","batman"]
-fmovie=input("dwse mia agapimeni:")
-if fmovie in movie:
-    print(" Yparxei hdh")
-else:
-    movie.append(fmovie)
-    movie.sort()
-    print(movie)
\ No newline at end of file
diff --git a/WorkshopIEEE/sol06.py b/WorkshopIEEE/sol06.py
deleted file mode 100644
index a834880..0000000
--- a/WorkshopIEEE/sol06.py
+++ /dev/null
@@ -1,19 +0,0 @@
-text = "He earned a number of honours, including two Peabody " \
-       "awards, but was also criticised for his non-confrontational" \
-       " approach and open-ended questions. King boasted of not doing" \
-       " much research for the interviews so, he said, he could learn along" \
-       " with viewers."
-
-characters = list(text)
-print(characters)
-
-my_dictionary = {}
-
-
-for character in characters:
-    if character in my_dictionary.keys():
-        my_dictionary[character] += 1
-    else:
-        my_dictionary[character] = 1
-
-print(my_dictionary)
\ No newline at end of file
diff --git a/WorkshopIEEE/sol07.py b/WorkshopIEEE/sol07.py
deleted file mode 100644
index 3ca78b5..0000000
--- a/WorkshopIEEE/sol07.py
+++ /dev/null
@@ -1,2 +0,0 @@
-list = [number for number in range(0,100+1,2) if number%3==0]
-print(list)
\ No newline at end of file
diff --git a/WorkshopIEEE/sol08.py b/WorkshopIEEE/sol08.py
deleted file mode 100644
index 715a414..0000000
--- a/WorkshopIEEE/sol08.py
+++ /dev/null
@@ -1,4 +0,0 @@
-def float_average(*numbers):
-    return sum(numbers)/len(numbers)
-
-print(float_average(1,2,3,4,5,6,7))
\ No newline at end of file
diff --git a/WorkshopIEEE/sol09.py b/WorkshopIEEE/sol09.py
deleted file mode 100644
index 18a649c..0000000
--- a/WorkshopIEEE/sol09.py
+++ /dev/null
@@ -1,32 +0,0 @@
-class Dog:
-    def __init__(self, name, weight, breed):
-        self.name = name
-        self.weight = weight
-        self.breed = breed
-        self.mood = 5
-
-    def eat(self):
-        self.mood += 1
-        if self.mood > 10:
-            self.mood = 10
-
-    def bark(self):
-        if self.mood > 5:
-            print("Woof Woof Woof")
-        else:
-            print("Woof")
-
-    def walk(self):
-        self.eat()
-
-
-piko = Dog("Piko", 10, "Terrier")
-piko.bark()
-piko.walk()
-piko.bark()
-piko.walk()
-piko.bark()
-piko.eat()
-piko.bark()
-
-lassie = Dog("Lassie", 30, "Colley")
diff --git a/WorkshopIEEE/w01example01.py b/WorkshopIEEE/w01example01.py
deleted file mode 100644
index 54c8287..0000000
--- a/WorkshopIEEE/w01example01.py
+++ /dev/null
@@ -1 +0,0 @@
-print("hello world!")
diff --git a/WorkshopIEEE/w01example02.py b/WorkshopIEEE/w01example02.py
deleted file mode 100644
index cc5e088..0000000
--- a/WorkshopIEEE/w01example02.py
+++ /dev/null
@@ -1,2 +0,0 @@
-print("Hello World!")
-print("How are you?")
\ No newline at end of file
diff --git a/WorkshopIEEE/w02example01.py b/WorkshopIEEE/w02example01.py
deleted file mode 100644
index e7f9624..0000000
--- a/WorkshopIEEE/w02example01.py
+++ /dev/null
@@ -1,14 +0,0 @@
-message = "Hello World"
-print(message)
-
-number = 5
-print(number)
-
-number1 = 1.05
-number2 = 4.99
-result = number1+number2
-print(result)
-
-is_pretty = False
-print(is_pretty)
-
diff --git a/WorkshopIEEE/w02example02.py b/WorkshopIEEE/w02example02.py
deleted file mode 100644
index 654a0f9..0000000
--- a/WorkshopIEEE/w02example02.py
+++ /dev/null
@@ -1,9 +0,0 @@
-name = "Alan"
-surname = "Turing"
-full_name = name + " " + surname
-print(full_name)
-
-x = 3.1
-print(x)
-x += 0.2
-print(x)
diff --git a/WorkshopIEEE/w02example03.py b/WorkshopIEEE/w02example03.py
deleted file mode 100644
index 06f2f5e..0000000
--- a/WorkshopIEEE/w02example03.py
+++ /dev/null
@@ -1,9 +0,0 @@
-name = input("Type your name: ")
-surname = input("Type your surname: ")
-age = int(input("Type your age: "))
-magic_pill = 10
-age -= magic_pill
-message_name = "Hello " + name + " " + surname
-message_age = ". You are " + str(age) + " years old!"
-message = message_name + message_age
-print(message)
\ No newline at end of file
diff --git a/WorkshopIEEE/w03example01.py b/WorkshopIEEE/w03example01.py
deleted file mode 100644
index c380c41..0000000
--- a/WorkshopIEEE/w03example01.py
+++ /dev/null
@@ -1,8 +0,0 @@
-age = int(input("Give age: "))
-
-if age<18:
-    print("anilikos")
-elif age>=18 and age<=65:
-    print("enilikos")
-else:
-    print("sintaksiouxos")
\ No newline at end of file
diff --git a/WorkshopIEEE/w03example02.py b/WorkshopIEEE/w03example02.py
deleted file mode 100644
index d38d576..0000000
--- a/WorkshopIEEE/w03example02.py
+++ /dev/null
@@ -1,12 +0,0 @@
-day = "Sunday"
-tired = True
-
-if day == "Saturday":
-    print("I read a bit")
-elif day == "Sunday":
-    if tired:
-        print("I won't study at all")
-    else:
-        print("I will study a lot")
-else:
-    print("I will study")
\ No newline at end of file
diff --git a/WorkshopIEEE/w04example01.py b/WorkshopIEEE/w04example01.py
deleted file mode 100644
index 2c36a60..0000000
--- a/WorkshopIEEE/w04example01.py
+++ /dev/null
@@ -1,5 +0,0 @@
-number = int(input("Enter a number(0-9): "))
-while number < 0 or number > 9:
-    number = int(input("Between 0 and 9 please: "))
-
-print("You entered: " + str(number))
\ No newline at end of file
diff --git a/WorkshopIEEE/w04example02.py b/WorkshopIEEE/w04example02.py
deleted file mode 100644
index 2aa7a58..0000000
--- a/WorkshopIEEE/w04example02.py
+++ /dev/null
@@ -1,2 +0,0 @@
-for number in range(0,10,3):
-    print(number)
diff --git a/WorkshopIEEE/w04example03.py b/WorkshopIEEE/w04example03.py
deleted file mode 100644
index b5ecb86..0000000
--- a/WorkshopIEEE/w04example03.py
+++ /dev/null
@@ -1,13 +0,0 @@
-for number in range(10,20+1,2):
-    print(number)
-
-print("===========")
-
-for number in range(19,11-1,-2):
-    print(number)
-
-print("===========")
-
-for number in range(1,29+1,2):
-    if number % 3 == 0:
-        print(number)
\ No newline at end of file
diff --git a/WorkshopIEEE/w05example01.py b/WorkshopIEEE/w05example01.py
deleted file mode 100644
index e6c97c4..0000000
--- a/WorkshopIEEE/w05example01.py
+++ /dev/null
@@ -1,4 +0,0 @@
-my_grades = [5, 8, 6, 7]
-print(my_grades)
-my_grades[1] = 9
-print(my_grades)
\ No newline at end of file
diff --git a/WorkshopIEEE/w05example02.py b/WorkshopIEEE/w05example02.py
deleted file mode 100644
index 23e018a..0000000
--- a/WorkshopIEEE/w05example02.py
+++ /dev/null
@@ -1,5 +0,0 @@
-my_list = [1, 3, 5]
-print(my_list[-1])
-
-my_list[-2] = 6
-print(my_list)
\ No newline at end of file
diff --git a/WorkshopIEEE/w05example03.py b/WorkshopIEEE/w05example03.py
deleted file mode 100644
index 9548628..0000000
--- a/WorkshopIEEE/w05example03.py
+++ /dev/null
@@ -1,13 +0,0 @@
-my_list = ["a", "b", "c", "d", "e"]
-
-my_new_list = my_list[1:4]
-print(my_new_list)
-
-l2 = my_list[1:]
-print(l2)
-
-l3 = my_list[:3]
-print(l3)
-
-l4 = my_list[:]
-print(l4)
diff --git a/WorkshopIEEE/w05example04.py b/WorkshopIEEE/w05example04.py
deleted file mode 100644
index 25a10c6..0000000
--- a/WorkshopIEEE/w05example04.py
+++ /dev/null
@@ -1,8 +0,0 @@
-my_list = [1, 2, 3]
-my_list.append(4)
-print(my_list)
-last = my_list.pop()
-print(last)
-print(my_list)
-my_list.pop(0)
-print(my_list)
diff --git a/WorkshopIEEE/w05example05.py b/WorkshopIEEE/w05example05.py
deleted file mode 100644
index 603ce90..0000000
--- a/WorkshopIEEE/w05example05.py
+++ /dev/null
@@ -1,8 +0,0 @@
-ml = [1,2,3]
-for elem in ml:
-    print(elem)
-
-for i in range(len(ml)):
-    print(ml[i])
-
-print(ml)
diff --git a/WorkshopIEEE/w06.example01.py b/WorkshopIEEE/w06.example01.py
deleted file mode 100644
index f172601..0000000
--- a/WorkshopIEEE/w06.example01.py
+++ /dev/null
@@ -1,37 +0,0 @@
-N = 100
-
-evens = set()
-for number in range(0,N+1,2):
-    evens.add(number)
-print(evens)
-
-odds = set()
-for number in range(1,N,2):
-    odds.add(number)
-print(odds)
-
-multiples3 = set()
-for number in range(0,N,3):
-    multiples3.add(number)
-print(multiples3)
-
-primes = set()
-for number in range(2, N+1):
-    for i in range(2, number):
-        if number % i == 0:
-            break
-    else:
-        primes.add(number)
-print(primes)
-
-set1 = evens | multiples3
-print(set1)
-
-set2 = odds & primes
-print(set2)
-
-set3 = primes - odds
-print(set3)
-
-set4 = primes ^ odds
-print(set4)
\ No newline at end of file
diff --git a/WorkshopIEEE/w06.example02.py b/WorkshopIEEE/w06.example02.py
deleted file mode 100644
index 6685394..0000000
--- a/WorkshopIEEE/w06.example02.py
+++ /dev/null
@@ -1,5 +0,0 @@
-hero = {"name": "Bruce Banner", "alias": "Iron Man"}
-print(hero)
-hero["name"] = "Tony Stark"
-hero["equipment"] = "suite"
-print(hero)
diff --git a/WorkshopIEEE/w06.example03.py b/WorkshopIEEE/w06.example03.py
deleted file mode 100644
index 874f93a..0000000
--- a/WorkshopIEEE/w06.example03.py
+++ /dev/null
@@ -1,20 +0,0 @@
-heroes_weapons = {
-    "Black Panther": "Anti-Metal Claws",
-    "Wolverine": "Claws",
-    "Ultron": "Plasma Weapons",
-    "Spider-Man": "Web-shooters",
-    "Beast": "Claws",
-    "Venom": "Web-shooters"
-}
-
-print("Key-value loop: ")
-for key, value in heroes_weapons.items():
-    print(key + " has " + value)
-
-print("\nOrdered Key loop: ")
-for key in sorted(heroes_weapons.keys()):
-    print(key + " has " + heroes_weapons[key])
-
-print("\nWeapons Gallery: ")
-for value in set(heroes_weapons.values()):
-    print(value, end=", ")
\ No newline at end of file
diff --git a/WorkshopIEEE/w07example01.py b/WorkshopIEEE/w07example01.py
deleted file mode 100644
index f203e45..0000000
--- a/WorkshopIEEE/w07example01.py
+++ /dev/null
@@ -1,6 +0,0 @@
-my_list = [number for number in range(3)]
-print(my_list)
-
-my_list = [number for number in range(10) if number%2 == 0]
-print(my_list)
-
diff --git a/WorkshopIEEE/w07example02.py b/WorkshopIEEE/w07example02.py
deleted file mode 100644
index b77103a..0000000
--- a/WorkshopIEEE/w07example02.py
+++ /dev/null
@@ -1,7 +0,0 @@
-my_set = {number for number in range(3)}
-print(my_set)
-
-my_set = {number for number in range(10) if number%2 == 0}
-print(my_set)
-
-print(my_set)
\ No newline at end of file
diff --git a/WorkshopIEEE/w07example03.py b/WorkshopIEEE/w07example03.py
deleted file mode 100644
index 86d35de..0000000
--- a/WorkshopIEEE/w07example03.py
+++ /dev/null
@@ -1,2 +0,0 @@
-dict1 = {v:v**2 for v in range(10)}
-dict2 = {v:v**2 for v in range(10) if v%2==0}
diff --git a/WorkshopIEEE/w07example04.py b/WorkshopIEEE/w07example04.py
deleted file mode 100644
index 2beae6d..0000000
--- a/WorkshopIEEE/w07example04.py
+++ /dev/null
@@ -1,14 +0,0 @@
-print(f"With a result: {1+4}")
-x = 3
-print(f"For debugging: {x=}")
-mult_line = (
-  f"multiline: {x} value\n"
-  f"multiline: {x*x} square"
-)
-print(mult_line)
-print(f"A float with 2 decimals: {1/3:.2}|")
-print(f"A float with width 6: {1/4:6}|")
-print(f"A float with width 6 and 2 decimals: {1/3:6.2}|")
-print(f"An integer(hexadecimal): {155:x}")
-print(f"An integer(octal): {155:o}")
-print(f"An integer(scientific): {155:e}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example01.py b/WorkshopIEEE/w08example01.py
deleted file mode 100644
index 46f92c2..0000000
--- a/WorkshopIEEE/w08example01.py
+++ /dev/null
@@ -1,6 +0,0 @@
-def print_full_name(name, surname, fathers_name):
-    print(f"{name} {fathers_name[0]}. {surname}")
-
-
-print_full_name("Bruce", "Wayne", "Thomas")
-print_full_name("Clark", "Kent", "Jonathan")
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example02.py b/WorkshopIEEE/w08example02.py
deleted file mode 100644
index ff0b64e..0000000
--- a/WorkshopIEEE/w08example02.py
+++ /dev/null
@@ -1,7 +0,0 @@
-def square_cube(number):
-    return number ** 2, number ** 3
-
-
-num = 5
-square, cube = square_cube(num)
-print(f"{num}^2={square}, {num}^3={cube}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example03.py b/WorkshopIEEE/w08example03.py
deleted file mode 100644
index 15016c4..0000000
--- a/WorkshopIEEE/w08example03.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# immutable.arguments.py
-def f(arg):
-    print(arg)
-    arg="Change!"
-    print(arg)
-
-s = "Initial"
-print(s)
-f(s)
-print(s)
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example04.py b/WorkshopIEEE/w08example04.py
deleted file mode 100644
index b676064..0000000
--- a/WorkshopIEEE/w08example04.py
+++ /dev/null
@@ -1,9 +0,0 @@
-def f(arg):
-    print(arg)
-    arg.append(3)
-    print(arg)
-
-l = [1,2]
-print(l)
-f(l)
-print(l)
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example05.py b/WorkshopIEEE/w08example05.py
deleted file mode 100644
index 457a0ea..0000000
--- a/WorkshopIEEE/w08example05.py
+++ /dev/null
@@ -1,9 +0,0 @@
-def f(arg):
-    print(arg)
-    arg = [3]
-    print(arg)
-
-l = [1,2]
-print(l)
-f(l)
-print(l)
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example06.py b/WorkshopIEEE/w08example06.py
deleted file mode 100644
index 95ada9e..0000000
--- a/WorkshopIEEE/w08example06.py
+++ /dev/null
@@ -1,5 +0,0 @@
-# default.values.keyword.arguments.py
-def func(par1, par2 =0, par3 = 0, par4 = 0):
-    print(f"par1={par1} par2={par2} par3={par3} par4={par4}")
-
-func(1, par3="5")
\ No newline at end of file
diff --git a/WorkshopIEEE/w08example07.py b/WorkshopIEEE/w08example07.py
deleted file mode 100644
index fa7fcec..0000000
--- a/WorkshopIEEE/w08example07.py
+++ /dev/null
@@ -1,9 +0,0 @@
-def my_sum(*numbers):
-    print(numbers)
-    s = 0
-    for number in numbers:
-        print(number)
-        s += int(number)
-    return s
-
-print(f"sum={my_sum(1,2,3,4,5)}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w09ex01in.py b/WorkshopIEEE/w09ex01in.py
deleted file mode 100644
index 2d11dff..0000000
--- a/WorkshopIEEE/w09ex01in.py
+++ /dev/null
@@ -1,9 +0,0 @@
-class Dog:
-    def __init__(self, name, weight, breed):
-        self.name = name
-        self.weight = weight
-        self.breed = breed
-
-
-piko = Dog("Piko", 10, "Terrier")
-lassie = Dog("Lassie", 30, "Colley")
\ No newline at end of file
diff --git a/WorkshopIEEE/w09example01.py b/WorkshopIEEE/w09example01.py
deleted file mode 100644
index 7841bf5..0000000
--- a/WorkshopIEEE/w09example01.py
+++ /dev/null
@@ -1,15 +0,0 @@
-# class.methods.py
-class Cow:
-    def __init__(self, weight, hunger):
-        self.weight = weight
-        self.hunger = hunger
-
-    def express(self):
-        if self.hunger > 5:
-            print("Moooooowwwwwwwwww")
-        else:
-            print("Mowww")
-
-
-molly = Cow(500, 10)
-molly.express()
\ No newline at end of file
diff --git a/WorkshopIEEE/w09example02.py b/WorkshopIEEE/w09example02.py
deleted file mode 100644
index 2e0c6bb..0000000
--- a/WorkshopIEEE/w09example02.py
+++ /dev/null
@@ -1,16 +0,0 @@
-class Cow:
-    def __init__(self, weight, hunger):
-        self.weight = weight
-        self.__hunger = hunger
-
-    def express(self):
-        if self.__hunger > 5:
-            print("Moooooowwwwwwwwww")
-        else:
-            print("Mowww")
-
-
-molly = Cow(100, 5)
-print(molly.__hunger)
-print(molly.weight)
-molly.express()
\ No newline at end of file
diff --git a/WorkshopIEEE/w09example03.py b/WorkshopIEEE/w09example03.py
deleted file mode 100644
index f556433..0000000
--- a/WorkshopIEEE/w09example03.py
+++ /dev/null
@@ -1,11 +0,0 @@
-# class.attribute.py
-class C:
-    counter = 0
-
-    def __init__(self):
-        C.counter += 1
-
-
-o1 = C()
-o2 = C()
-print(C.counter, o1.counter, o2.counter)
\ No newline at end of file
diff --git a/WorkshopIEEE/w10example01.py b/WorkshopIEEE/w10example01.py
deleted file mode 100644
index b126c09..0000000
--- a/WorkshopIEEE/w10example01.py
+++ /dev/null
@@ -1,25 +0,0 @@
-class Time:
-    def __init__(self, hour, minute, second):
-        self.hour = hour
-        self.minute = minute
-        self.second = second
-
-    def __str__(self):
-        return f"{str(self.hour).zfill(2)}:" \
-               f"{str(self.minute).zfill(2)}:" \
-               f"{str(self.second).zfill(2)}"
-
-    def __gt__(self, other):
-        if self.hour > other.hour:
-            return True
-        elif self.hour == other.hour:
-            if self.minute > other.minute:
-                return True
-            elif self.minute == other.minute:
-                if self.second > other.second:
-                    return True
-        return False
-
-t = Time(11,2,3)
-t2 = Time(11,11,1)
-print(f"{t} > {t2}: {t>t2}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w10example02.py b/WorkshopIEEE/w10example02.py
deleted file mode 100644
index d5d3beb..0000000
--- a/WorkshopIEEE/w10example02.py
+++ /dev/null
@@ -1,32 +0,0 @@
-class Point3D:
-    def __init__(self,x=0,y=0,z=0):
-        self.x = x
-        self.y = y
-        self.z = z
-
-    def __str__(self):
-        return f"({self.x},{self.y},{self.z})"
-
-    def __add__(self, other):
-        new_point = Point3D()
-        new_point.x = self.x + other.x
-        new_point.y = self.y + other.y
-        new_point.z = self.z + other.z
-        return new_point
-
-    def __iadd__(self, other):
-        self.x += other.x
-        self.y += other.y
-        self.z += other.z
-        return self
-
-a = Point3D(1,1,1)
-b = Point3D(2,2,2)
-print(a+b)
-c = a + b
-print(c)
-print(a, id(a))
-a = a + b
-print(a, id(a))
-a += b
-print(a, id(a))
\ No newline at end of file
diff --git a/WorkshopIEEE/w10example03.py b/WorkshopIEEE/w10example03.py
deleted file mode 100644
index 1d88569..0000000
--- a/WorkshopIEEE/w10example03.py
+++ /dev/null
@@ -1,13 +0,0 @@
-class X:
-    def __init__(self):
-        self.ar = [x for x in range(5)]
-
-    def __len__(self):
-        return len(self.ar)
-
-    def __getitem__(self, item):
-        return self.ar[item]
-
-obj = X()
-for item in obj:
-    print(item)
\ No newline at end of file
diff --git a/WorkshopIEEE/w10example04.py b/WorkshopIEEE/w10example04.py
deleted file mode 100644
index de0febc..0000000
--- a/WorkshopIEEE/w10example04.py
+++ /dev/null
@@ -1,24 +0,0 @@
-class Polynomial:
-    def __init__(self, *coeff):
-        self.coeff = [c for c in coeff]
-        print(self.coeff)
-
-    def __str__(self):
-        st = []
-        for i in range(len(self.coeff)):
-            st.append(f"{self.coeff[i]}*x^{len(self.coeff)-i-1}")
-        return " + ".join(st)
-
-    def __call__(self, x):
-        res = 0
-        for i in range(len(self.coeff)):
-            res += self.coeff[i] * x ** (len(self.coeff)-i-1)
-        return res
-
-
-p = Polynomial(5,1,2)
-print(str(p))
-print(p(2))
-
-p2 = Polynomial(4,5,4,1,2,3)
-print(p2)
\ No newline at end of file
diff --git a/WorkshopIEEE/w11example01.py b/WorkshopIEEE/w11example01.py
deleted file mode 100644
index f40d791..0000000
--- a/WorkshopIEEE/w11example01.py
+++ /dev/null
@@ -1,25 +0,0 @@
-class Cow:
-    def __init__(self, weight, hunger):
-        self.weight = weight
-        self.hunger = hunger
-
-    def express(self):
-        if self.hunger > 5:
-            print("Moooooowwwwwwwwww")
-        else:
-            print("Mowww")
-
-
-class TexasLonghorn(Cow):
-    def __init__(self, weight, hunger, horn_length):
-        super().__init__(weight, hunger)
-        self.horn_length = horn_length
-
-
-molly = Cow(500, 10)
-molly.express()
-
-bob = TexasLonghorn(400,20,0.50)
-bob.express()
-print(f"Bob's horns are {bob.horn_length} meters long")
-print(f"Bob's weight={bob.weight}, hunger={bob.hunger}, horn_length={bob.horn_length}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w11example02.py b/WorkshopIEEE/w11example02.py
deleted file mode 100644
index a827a8b..0000000
--- a/WorkshopIEEE/w11example02.py
+++ /dev/null
@@ -1,30 +0,0 @@
-class Cow:
-    def __init__(self, weight, hunger):
-        self.weight = weight
-        self.hunger = hunger
-
-    def express(self):
-        if self.hunger > 5:
-            print("Moooooowwwwwwwwww")
-        else:
-            print("Mowww")
-
-
-class TexasLonghorn(Cow):
-    def __init__(self, weight, hunger, horn_length):
-        super().__init__(weight, hunger)
-        self.horn_length = horn_length
-
-    def express(self):
-        if self.hunger > 5:
-            print("MEEoooEEEwwwwwwwww")
-        else:
-            print("MEoEwww")
-
-molly = Cow(500, 10)
-molly.express()
-
-bob = TexasLonghorn(400,20,0.50)
-bob.express()
-print(f"Bob's horns are {bob.horn_length} meters long")
-print(f"Bob's weight={bob.weight}, hunger={bob.hunger}, horn_length={bob.horn_length}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w11example03.py b/WorkshopIEEE/w11example03.py
deleted file mode 100644
index 9a681cd..0000000
--- a/WorkshopIEEE/w11example03.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# multiple.inheritance.py
-class Base1:
-    def __init__(self, b1_attr):
-        self.b1_attr = b1_attr
-
-
-class Base2:
-    def __init__(self, b2_attr):
-        self.b2_attr = b2_attr
-
-
-class Derived(Base1, Base2):
-    def __init__(self, b1_attr, b2_attr, d_attr):
-        Base1.__init__(self, b1_attr)
-        Base2.__init__(self, b2_attr)
-        self.d_attr = d_attr
-
-
-d = Derived(1,2,3)
-print(f"{d.b1_attr}, {d.b2_attr}, {d.d_attr}")
\ No newline at end of file
diff --git a/WorkshopIEEE/w11example04.py b/WorkshopIEEE/w11example04.py
deleted file mode 100644
index 593c515..0000000
--- a/WorkshopIEEE/w11example04.py
+++ /dev/null
@@ -1,14 +0,0 @@
-# abstract.class.py
-from abc import ABC, abstractmethod
-
-
-class MyAbstractClass(ABC):
-    def __init__(self, attr):
-        self.attr = attr
-
-    @abstractmethod
-    def my_abstract_method(self):
-        pass
-
-
-ob = MyAbstractClass(1)
\ No newline at end of file
diff --git a/lesson02/string_concatenation3.py b/lesson02/string_concatenation3.py
index bfc4981..803ab3c 100644
--- a/lesson02/string_concatenation3.py
+++ b/lesson02/string_concatenation3.py
@@ -1,3 +1,4 @@
 name = "Alan"
 surname = "Turing"
-print(name + " " + surname)
+full_name = name + " " + surname
+print(full_name)
diff --git a/lesson09/string.escape.characters.py b/lesson09/string.escape.characters.py
index d07afb3..a9b5a69 100644
--- a/lesson09/string.escape.characters.py
+++ b/lesson09/string.escape.characters.py
@@ -3,5 +3,3 @@
 print("tabs:\n\t|\t|a\t|aa\t|aaa\t|")
 print("change line: \n newline \r CR")
 print("Backspace: bb\baa\bc\b\baa\b")
-
-ba
\ No newline at end of file
diff --git a/lesson11/local2.py b/lesson11/local2.py
new file mode 100644
index 0000000..667adc5
--- /dev/null
+++ b/lesson11/local2.py
@@ -0,0 +1,7 @@
+#local2.py
+def f():
+  x = 5
+  
+
+f()
+print(x)
diff --git a/lesson11/mutable.arguments.assignment.py b/lesson11/mutable.arguments.assignment.py
index 457a0ea..6499e09 100644
--- a/lesson11/mutable.arguments.assignment.py
+++ b/lesson11/mutable.arguments.assignment.py
@@ -1,3 +1,4 @@
+# mutable.arguments.assignment.py
 def f(arg):
     print(arg)
     arg = [3]
@@ -6,4 +7,4 @@ def f(arg):
 l = [1,2]
 print(l)
 f(l)
-print(l)
\ No newline at end of file
+print(l)
diff --git a/lesson16/private.py b/lesson16/private.py
index 1357f03..e14c95e 100644
--- a/lesson16/private.py
+++ b/lesson16/private.py
@@ -1,4 +1,4 @@
-# public.py
+# private.py
 class Cow:
     def __init__(self, weight, hunger):
         self.weight = weight
@@ -14,4 +14,4 @@ def express(self):
 molly = Cow(100, 5)
 print(molly.__hunger)
 print(molly.weight)
-molly.express()
\ No newline at end of file
+molly.express()
diff --git a/lesson17/lesson17.exercise13/character.py b/lesson17/lesson17.exercise13/character.py
index 0b0a20c..213e81e 100644
--- a/lesson17/lesson17.exercise13/character.py
+++ b/lesson17/lesson17.exercise13/character.py
@@ -1,4 +1,3 @@
-from equipment import Equipment
 from random import randrange
 
 
@@ -34,4 +33,4 @@ def __iadd__(self, other):
 
     def __isub__(self, other):
         self.health -= other
-        return self
\ No newline at end of file
+        return self
diff --git a/lesson19/lesson19.exercise05/pupils.py b/lesson19/lesson19.exercise05/pupils.py
index 19aeef0..150aa39 100644
--- a/lesson19/lesson19.exercise05/pupils.py
+++ b/lesson19/lesson19.exercise05/pupils.py
@@ -113,7 +113,7 @@ def delete_pupil_by_id(self, pupil_id):
                 print("Pupil deleted!")
                 return
         else:
-            print("No teacher with this id!")
+            print("No pupil with this id!")
 
     def print_pupils_names(self):
         for pupil in self.pupils: