Update Day_10.md

Author: darkprinx

Status/Day_10.md

@@ -55,7 +55,7 @@ printDict()
 **My Solution: Python 3**
 ```
 def printDict():
- dict = {i: i ** 2 for i in range(1, 21)}
+ dict = {i: i**2 for i in range(1, 21)}
  print(dict.keys()) # print keys of a dictionary
 
 printDict()