Adopted new convention from template

src/Python/Problems001-050/Problem039.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 """
 Created on 05 Jun 2021
 
@@ -22,11 +22,12 @@ def compute():
 
     For which value of p ≤ 1000, is the number of solutions maximised?
     """
+
     ans, val = 0, 0
     for p in range(2, 1001, 2):
         sol = 0
         for a in range(1, p):
-            for b in range(a+1, p-2*a):     
+            for b in range(a + 1, p - 2 * a):
                 c = p - (a + b)
                 if a**2 + b**2 == c**2:
                     sol += 1
@@ -39,6 +40,6 @@ def compute():
 
     return val
 
-if __name__ == "__main__":
 
-    print(f"Result for Problem 39: {compute()}")
+if __name__ == "__main__":
+    print(f"Result for Problem 39 is {compute()}")