diff --git a/session_01/exercises/multiple_choice_1.md b/session_01/exercises/multiple_choice_1.md
index 6f1d6a71..e1b93de5 100644
--- a/session_01/exercises/multiple_choice_1.md
+++ b/session_01/exercises/multiple_choice_1.md
@@ -1,68 +1,79 @@
 # KPMG:Code - Session 1 - Multiple Choice Questions
 
-1. What is programming? 
+1. What is programming?
+
 - Giving the computer instructions - A
-- Choosing a television show 
+- Choosing a television show
 - Knitting a scarf
-- Completing some math equations 
+- Completing some math equations
 
 2. What is a text editor?
+
 - A place to write an essay
-- A place to write code - A 
+- A place to write code - A
 - A place to write a report
-- A place to edit a novel 
+- A place to edit a novel
+
+3. When naming a Python file, what is the file extension used?
 
-3. When naming a Python file, what is the file extension used? 
 - .doc
 - .xlsx
 - .py - A
-- .csv 
+- .csv
+
+4. What does print() do?
 
-4. What does print() do? 
 - prints out a document to a printer
-- prints the code output to the screen - A
-- 3D prints a Python 
-- posts to social media 
+- prints the content to the screen - A
+- 3D prints a Python
+- posts to social media
+
+5. What are the rules for variables?
 
-5. What are the rules for variables? 
 - Lowercase
 - Underscore instead of spaces
 - No punctuation
-- All of the above - A 
+- All of the above - A
 
 6. Which of the below is a string?
+
 - "hello world" - A
 - 6
 - True
 - 7.9
 
-7. Which of the below is a float? 
+7. Which of the below is a float?
+
 - "hello world"
 - 6
 - True
-- 7.9 - A 
+- 7.9 - A
+
+8. Which character lets you put in a new line?
 
-8. Which character lets you put in a new line? 
 - \n - A
 - /n
 - \t
 - \l
 
-9. What will be the output of the below: 
+9. What will be the output of the below:
+
 first_name = "Steve"
 last_name = "Shirley"
 full_name = first_name + " " + last_name
-print("Good morning, " + full_name) 
+print("Good morning, " + full_name)
 
-- Good morning Steve 
-- Good evening Steve 
-- Good morning Steve Shirley - A 
-- Good morning Shirley 
+- Good morning Steve
+- Good evening Steve
+- Good morning Steve Shirley - A
+- Good morning Shirley
+
+10. What will be the output of the below:
 
-10. What will be the output of the below: 
 correct_sum = 4 + 5 * 2
-print(correct_sum) 
+print(correct_sum)
+
 - 18
 - 14 - A
-- 13 
-- 0 
\ No newline at end of file
+- 13
+- 0
diff --git a/session_02/exercises/multiple_choice_2.md b/session_02/exercises/multiple_choice_2.md
index 79b3e044..b0bf387c 100644
--- a/session_02/exercises/multiple_choice_2.md
+++ b/session_02/exercises/multiple_choice_2.md
@@ -1,27 +1,31 @@
 # KPMG:Code - Session 2 - Multiple Choice Questions
 
 1. What is concatenation?
+
 - adding cats together
-- adding strings together - A 
+- adding strings together - A
 - a celebration
 - a function
 
-2. To create a comment in code, what do you put before it? 
+2. To create a comment in code, what do you put before it?
+
 - !
-- # - A 
+- # - A
 - ?
 - %
 
 3. What will be the output of the below?
+
 a = int(2.6)
 print (a)
 
 - 2.6
 - two point six
 - True
-- 2 - A 
+- 2 - A
 
 4. How can you fix the below error?
+
 age = 21
 
 # ERROR: TypeError: can only concatenate str (not "int") to str
@@ -33,6 +37,7 @@ print("You are: " + age + " years old")
 - cast the age variable to a float
 
 5. What is the output of below?
+
 name = "Ada Lovelace!"
 name_length = len(name)
 print(name_length)
@@ -40,9 +45,10 @@ print(name_length)
 - 10
 - 11
 - 12
-- 13 - A 
+- 13 - A
 
 6. What is the output of below?
+
 animal = "Giraffe"
 print(animal[0])
 
@@ -51,28 +57,32 @@ print(animal[0])
 - e
 - E
 
-7. Which prints out the last element of a string? 
-- print("python"[-1]) - A 
+7. Which prints out the last element of a string?
+
+- print("python"[-1]) - A
 - print("python"[0])
 - print("python"[-4])
 - print("python"[1])
 
-8. What function takes an input from a user? 
+8. What function takes an input from a user?
+
 - enter()
 - print()
-- input()
+- input() - A
 - add()
 
-9. What will be the output of the below: 
+9. What will be the output of the below:
+
 colour = "yellow"
-print(colour.upper()) 
+print(colour.upper())
 
-- Yellow 
+- Yellow
 - yellow
-- YELLOW - A 
-- YeLLow 
+- YELLOW - A
+- YeLLow
+
+10. What will be the output of the below:
 
-10. What will be the output of the below: 
 fullname = "Alan" + "Turing"
 length = len(fullname)
 middle_letter = fullname[int(length / 2)].lower()
@@ -81,5 +91,5 @@ print("The middle letter of your name is " + middle_letter)
 
 - A
 - u - A
-- t 
-- G
\ No newline at end of file
+- t
+- G
diff --git a/session_03/exercises/multiple_choice_3.md b/session_03/exercises/multiple_choice_3.md
index 64bc8846..8285f19b 100644
--- a/session_03/exercises/multiple_choice_3.md
+++ b/session_03/exercises/multiple_choice_3.md
@@ -1,12 +1,14 @@
 # KPMG:Code - Session 3 - Multiple Choice Questions
 
 1. What is a conditional?
+
 - an expression that allows a user to enter an input
 - an expression that allows a computer to make a decision - A
 - an expression that allows a computer to print an output
 - an expression that makes a string upper case
 
 2. What will be the output of the below:
+
 sum = 5 + 6
 
 if sum == 10:
@@ -18,6 +20,7 @@ if sum == 10:
 - 11
 
 3. What will be the output of the below:
+
 name = "Jackie"
 
 if name == "Anita":
@@ -46,6 +49,7 @@ print("Thanks")
 - less than or equal to
 
 6. What is the output of below?
+
 age = 15
 if age >= 21:
     print("You can vote")
@@ -56,20 +60,22 @@ else:
 - You cannot vote - A
 
 7. What is the output of below?
+
 traffic_light = "red"
 
 if traffic_light == "green":
     print("You can go!")
 elif traffic_light == "amber":
-    print("Get ready to stop..")
+    print("Get ready to stop...")
 else:
     print("STOP!")
 
 - Get ready to stop..
-- STOP!
-- You can go! - A
+- STOP! - A
+- You can go!
 
 8. What will be the output of the below:
+
 age = 0
 
 if age <= 13:
@@ -87,14 +93,16 @@ else:
 - You are 19 or over
 
 9. What will be the output of the below:
+
 age = 14
 if age > 12 and age < 20:
     print("You are a teenager")
 
-- You are a teenager
+- You are a teenager - A
 - You are not a teenager
 
 10. What will be the output of the below:
+
 age = 12
 if age < 13 or age > 19:
     print("You are not a teenager")
diff --git a/session_04/exercises/multiple_choice_4.md b/session_04/exercises/multiple_choice_4.md
index 408da1f0..99dff0e9 100644
--- a/session_04/exercises/multiple_choice_4.md
+++ b/session_04/exercises/multiple_choice_4.md
@@ -1,18 +1,21 @@
 # KPMG:Code - Session 4 - Multiple Choice Questions
 
 1. What is a list?
+
 - a way to allow user input
 - a statement that allows a computer to make a decision
 - a way to print an output
-- a collection of data - A 
+- a collection of data - A
 
 2. What brackets does a list use?
+
 - {}
 - ()
-- [] - A 
+- [] - A
 - <>
 
 3. What will be the output of the below:
+
 flowers = ["tulip", "rose", "snowdrop", "lily"]
 print(flowers[-1])
 
@@ -22,6 +25,7 @@ print(flowers[-1])
 - lily - A
 
 4. What will be the output of the below:
+
 flowers = ["tulip", "rose", "snowdrop", "lily"]
 flowers[2] = "sunflower"
 
@@ -29,10 +33,11 @@ print(flowers)
 
 - ["sunflower", "rose", "snowdrop", "lily"]
 - ["tulip", "sunflower", "snowdrop", "lily"]
-- ["tulip", "rose", "sunflower", "lily"] - A 
+- ["tulip", "rose", "sunflower", "lily"] - A
 - ["tulip", "rose", "snowdrop", "sunflower"]
 
 5. What will be the output of the below:
+
 birds = ["albatross", "buzzard", "chicken"]
 
 if "chicken" in birds:
@@ -44,6 +49,7 @@ else:
 - A chicken isn't here
 
 6. To print out the numbers 0-100, fill in the blank:
+
 for num in range(?):
     print(num)
 
@@ -52,39 +58,44 @@ for num in range(?):
 - 101 - A
 - 0
 
-7. A for loop is used for iterating over a sequence.
+7. A for loop is used for iterating over a sequence?
 
-- True - A 
-- False 
+- True - A
+- False
+
+8. What will be the output of the below:
 
-8. What will be the output of the below: 
 total = 0
 
-for num in range(1,4):
-    total += num
+for num in range(1, 4):
+    total = total + num
 
 print(total)
 
-- 0 
+- 0
 - 2
-- 4 
-- 6 - A 
+- 4
+- 6 - A
+
+9. What will be the output of the below:
 
-9. What will be the output of the below: 
 names = ["Saf", "Anita", "Jake", "Jackie"]
 captains = []
+
 for name in names:
     captains.append("Captain. " + name)
+
 print(captains)
 
 - ["Dr. Saf", "Dr. Anita", "Dr. Jake", "Dr. Jackie"]
-- ["Captain. Saf", "Captain. Anita", "Captain. Jake", "Captain. Jackie"]
+- ["Captain. Saf", "Captain. Anita", "Captain. Jake", "Captain. Jackie"] - A
 - ["Capn. Saf", "Capn. Anita", "Capn. Jake", "Capn. Jackie"]
 - ["Saf", "Anita", "Jake", "Jackie"]
 
-10. What will be the output of the below: 
-for x in range(1,10,2):
-print(x)
+10. What will be the output of the below:
+
+for x in range(1, 10, 2):
+    print(x)
 
 - The even numbers from 1 to 10
-- The odd numbers from 1 to 10 - A 
\ No newline at end of file
+- The odd numbers from 1 to 10 - A
diff --git a/session_05/exercises/multiple_choice_5.md b/session_05/exercises/multiple_choice_5.md
index 0bd08a82..5fc3d510 100644
--- a/session_05/exercises/multiple_choice_5.md
+++ b/session_05/exercises/multiple_choice_5.md
@@ -1,39 +1,45 @@
 # KPMG:Code - Session 5 - Multiple Choice Questions
 
 1. What is a module?
-- a library of code we can reuse in our code - A 
+
+- a library of code we can reuse in our code - A
 - a statement that allows a computer to make a decision
 - a way to print an output
 - a collection of data
 
 2. What key word brings the module in so our code can use it?
+
 - bring
 - input
-- import - A 
+- import - A
 - contain
 
-3. What does the random.randint() function do? 
-- picks a random number from 0 to 1 
-- picks a random number from a range you specify - A 
+3. What does the random.randint() function do?
+
+- picks a random number from 0 to 1
+- picks a random number from a range you specify - A
 - picks a random item from a list
 - picks a random function
 
-4. What does the random.choice() function do? 
-- picks a random number from 0 to 1 
+4. What does the random.choice() function do?
+- picks a random number from 0 to 1
 - picks a random number from a range you specify
-- picks a random item from a list - A 
+- picks a random item from a list - A
 - picks a random function
 
 5. What will be the output of the below:
+
 import math
+
 print(math.ceil(4.2))
 
 - 4
 - 5 - A
 - 4.2
-- 5.2 
+- 5.2
 
 6. What number will stop this while loop:
+
 guess = None
 while guess != 4:
     guess = int(input("What's your number? "))
@@ -44,35 +50,38 @@ while guess != 4:
 - 7
 
 7. How many times will "Hello" be printed?
+
 times_in_loop = 0
 
 while times_in_loop >= 0:
     print("Hello")
     times_in_loop += 1
     if times_in_loop > 5:
-        break 
+        break
 
 - 0
 - 4
 - 5
 - 6 - A  
 
-8. The below loop will not run forever: 
+8. The below loop will NOT run forever?
+
 times_in_loop = 0
 
 while times_in_loop >= 0:
     print("Hello")
     times_in_loop += 1
 
-- True 
-- False - A 
+- True
+- False - A
+
+9. To print 5 random numbers, fill in the blank:
 
-9. To print 5 random numbers, fill in the blanks: 
 import random
 number = 0
 
 while number <= ?:
-  print(random.?(1,10))
+  print(random.?(1, 10))
   number += 1
 
 - 3, random
@@ -80,9 +89,10 @@ while number <= ?:
 - 5, choice
 - 4, random
 
-10. What will be the output of the below: 
-sum=0
-i=0 
+10. What will be the output of the below:
+
+sum = 0
+i = 0
 
 while i < 10:
   i += 1
@@ -93,4 +103,4 @@ print(sum)
 - 10
 - 45
 - 55 - A
-- 100 
\ No newline at end of file
+- 100
diff --git a/session_06/exercises/multiple_choice_6.md b/session_06/exercises/multiple_choice_6.md
index d5d0262c..b0dd8864 100644
--- a/session_06/exercises/multiple_choice_6.md
+++ b/session_06/exercises/multiple_choice_6.md
@@ -4,21 +4,21 @@
 - a way to allow user input
 - a statement that allows a computer to make a decision
 - a way to print an output
-- a collection of data - A 
+- a collection of data - A
 
 2. What brackets does a dictionary use?
 - {} - A
 - ()
-- [] 
+- []
 - <>
 
 3. A dictionary is an unordered collection of data.
-- True - A 
-- False 
+- True - A
+- False
 
 4. A tuple can be modified
-- True 
-- False - A 
+- True
+- False - A
 
 5. What will be the output of the below:
 shirt = {
@@ -30,10 +30,10 @@ print(shirt["size"])
 
 - size
 - colour
-- Large
+- Large - A
 - Red
 
-6. What would be the ouput of the below:
+6. What would be the output of the below:
 contacts = [
     {"fname": "Ada", "lname": "Lovelace"},
     {"fname": "Alan", "lname": "Turing", "phone": "555-1234"},
@@ -45,8 +45,8 @@ for person in contacts:
         print(person["fname"])
 
 - Ada
-- Alan
-- Steve - A
+- Alan - A
+- Steve
 - 555-1234
 
 7. What will stop this while loop:
@@ -65,17 +65,18 @@ while fname != "":
 
 - nothing, it will run forever
 - entering a first name  
-- not entering a first name 
+- not entering a first name - A
 - not entering a first name and last name
 
 8. Items in a dictionary are called _____ pairs.
 
-- key, value - A 
+- key, value - A
 - value, key
 - key, arguments
 - value, arguments   
 
-9. What will be the output of the below: 
+9. What will be the result of the below:
+
 shirt = {
     "size": "Large",
     "colour": "Red"
@@ -84,19 +85,20 @@ shirt = {
 shirt["colour"] = "Green"
 
 - adds a new key/value
-- changes an existing value - A 
+- changes an existing value - A
 - deletes the key/value pair
-- prints out the dictionary 
+- prints out the dictionary
+
+10. What will be the result of the below:
 
-10. What will be the output of the below: 
 shirt = {
     "size": "Large",
     "colour": "Red"
 }
 
-del(shirt["size"]) 
+del(shirt["size"])
 
 - adds a new key/value
 - changes an existing value
 - deletes the key/value pair - A
-- prints out the dictionary
\ No newline at end of file
+- prints out the dictionary
diff --git a/session_07/exercises/multiple_choice_7.md b/session_07/exercises/multiple_choice_7.md
index 70cb6f83..3a9b2e0c 100644
--- a/session_07/exercises/multiple_choice_7.md
+++ b/session_07/exercises/multiple_choice_7.md
@@ -1,33 +1,38 @@
 # KPMG:Code - Session 7 - Multiple Choice Questions
 
 1. What is a function in Python?
+
 - a way to allow user input
 - a statement that allows a computer to make a decision
 - re-usable, self-contained blocks of code that do a single task - A
 - a collection of data
 
 2. What key word defines a function?
+
 - def - A
 - input
 - print
 - parameter
 
 3. How would I call the following function:
+
 def hello_world():
     print("Hello World!")
 
 - hello_world
-- hello world () 
-- hello_world() - A 
+- hello world ()
+- hello_world() - A
 - hello world
 
 4. What does the principle of 'DRY' stand for?
-- do repeat yourself 
+
+- do repeat yourself
 - don't repeat yourself - A
 - do return yourself
 - don't reload yourself
 
 5. What is name classed as here:
+
 def hello(name):
     print("Hello, " + name + "!")
 
@@ -36,41 +41,44 @@ def hello(name):
 - parameter - A
 - class
 
-6. What would be the ouput of the below:
+6. What would be the output of the below:
+
 def hello(name):
     print("Good Morning, " + name)
 
 hello("Grace")
 
 - Grace
-- Good Morning Grace Hopper
-- Good Morning Grace - A
-- good morning Grace
+- Good Morning, Grace Hopper
+- Good Morning, Grace - A
+- good morning, Grace
+
+7. What would be the output of the below:
 
-7. What would be the ouput of the below:
 def volume(x, y, z):
     print("The volume is " + str(x * y * z))
 
 volume(12, 4, 6)
 
-- 228 
+- 228
 - 288 - A  
-- 114 
+- 114
 - 144
 
-8. What is returning, in relation to functions?
+8. What is "return", in relation to functions?
 
-- return is a keyword - A 
+- return is a keyword - A
 - return is a function
 - return is a input
-- return is a parameter 
+- return is a parameter
 
-9. Which of the below will stop the execution a function? 
+9. Which of the below will stop the execution a function?
 
 - print
-- return - A 
+- return - A
+
+10. What will be the output of the below:
 
-10. What will be the output of the below: 
 def calc_factorial(x):
     if x == 1:
         return 1
@@ -84,4 +92,4 @@ print(calc_factorial(num))
 - 4
 - None
 - 24 - A
-- 6
\ No newline at end of file
+- 6
diff --git a/session_08/exercises/multiple_choice_8.md b/session_08/exercises/multiple_choice_8.md
index 2da6cf29..0e7fff3e 100644
--- a/session_08/exercises/multiple_choice_8.md
+++ b/session_08/exercises/multiple_choice_8.md
@@ -1,41 +1,48 @@
 # KPMG:Code - Session 8 - Multiple Choice Questions
 
 1. To open the below file, fill in the missing word:
+
 f = ?("my_file.txt", "r")
+
 - input
 - read
 - open - A
 - close
 
 2. To read the below file, fill in the missing word:
+
 f = open("my_file.txt", "r")
 print(f.?())
+
 - input
 - read - A
 - open
 - close
 
-3. What does the "a" mode stand for? 
+3. What does the "a" mode stand for?
+
 - read
-- append - A 
+- append - A
 - write
 - create
 
 4. "w" mode, overwrites the contents of your file.
-- True - A 
+
+- True - A
 - False
 
 5. "a" mode, overwrites the contents of your file.
 
-- True 
-- False - A 
+- True
+- False - A
 
 6. "r" mode will fail if the file it's passed to doesn't exist.
 
-- True - A 
-- False 
+- True - A
+- False
 
 7. To close the below file, fill in the missing word:
+
 f = open("example.txt", "w")
 f.write("Hello World")
 f.?()
@@ -43,15 +50,15 @@ f.?()
 - input
 - read
 - open
-- close - A 
+- close - A
 
 8. To create a new file, file in the missing mode:
 f = open("example.txt", "?")
 
-- x - A 
+- x - A
 - c
 - r
-- s 
+- s
 
 9. What will be the output of the below:
 
@@ -61,12 +68,13 @@ for x in open("example.txt"):
 
 print(total)
 
-- all the text from the file will be output 
-- all the lines will be print out 
-- the amount of lines in the file will be printed out - A 
-- a new file will be created 
+- all the text from the file will be output
+- all the lines will be print out
+- the number of lines in the file will be printed out - A
+- a new file will be created
+
+10. What will be the output of the below:
 
-10. What will be the output of the below: 
 f = open("odd.txt", "w")
 
 for x in open("numbers.txt"):
@@ -78,5 +86,5 @@ f.close()
 
 - all the even numbers will be written to numbers.txt
 - all the odd numbers will be written to numbers.txt
-- all the even numbers will be written to even.txt 
-- all the odd numbers will be written to odd.txt - A
\ No newline at end of file
+- all the even numbers will be written to even.txt
+- all the odd numbers will be written to odd.txt - A