round float

qiwsir · qiwsir · commit 5972a02c54ee · 2016-09-24T22:01:31.000+08:00
diff --git a/newcodes/answers/q66.py b/newcodes/answers/q66.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+# coding=utf-8
+
+class RoundFloat(object):    #Python 3: class RoundFloat:
+    def __init__(self, val):
+        assert isinstance(val, float), "value must be a float."
+        self.value = round(val, 2)
+
+    def __str__(self):
+        return "{:.2f}".format(self.value)
+
+    __repr__ = __str__
+
+if __name__ == "__main__":
+    while True:
+        n = input("Input a float:('q'-exit)")
+        if n == 'q':
+            print('See you next time.')
+            break
+        else:
+            n = float(n)
+            r = RoundFloat(n)
+            print(r)
