Adopted new convention from template

src/Python/Problems001-050/Problem002.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 """
 Created on 14 Mar 2017
 
@@ -23,6 +23,7 @@ def compute():
     Find the sum of all the even-valued terms in the sequence which do not
     exceed four million.
     """
+
     ans = 0
     limit = 4_000_000
     x, y = 1, 1
@@ -37,5 +38,4 @@ def compute():
 
 
 if __name__ == "__main__":
-
-    print(f"Result for problem 2: {compute()}")
+    print(f"Result for problem 2 is {compute()}")