Merge pull request keon#68 from ankit167/add_without_operator

Fixes in comments and code-style

Author: ankit167

bit/add_without_operator.py

@@ -1,21 +1,23 @@
 """
-The following code adds two numbers without using the '+' operator.
+The following code adds two positive integers without using the '+' operator.
 The code uses bitwise operations to add two numbers.
 
 Input: 2 3
 Output: 5
 """
 
+
 def addWithoutOperator(x, y):
     while y != 0:
         carry = x & y
         x = x ^ y
         y = carry << 1
     print x
 
+
 def main():
-    x,y = map(int,raw_input().split())
-    addWithoutOperator(x,y)
+    x, y = map(int, raw_input().split())
+    addWithoutOperator(x, y)
 
 if __name__ == '__main__':
     main()