Adopted new convention from template

src/Python/Problems001-050/Problem001.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python
 """
 Created on 14 Mar 2017
 
@@ -20,11 +20,11 @@ def compute():
 
     Find the sum of all the multiples of 3 or 5 below 1000.
     """
+
     ans = sum(x for x in range(1000) if (x % 3 == 0 or x % 5 == 0))
 
     return ans
 
 
 if __name__ == "__main__":
-
-    print(f"Result for problem 1: {compute()}")
+    print(f"Result for problem 1 is {compute()}")