Adopted new convention from template

src/Python/Problems001-050/Problem031.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 """
 Created on 24 Feb 2021
 
@@ -10,6 +10,7 @@ https://projecteuler.net/problem=31
 """
 
 from itertools import product
+
 from utils import timeit
 
 
@@ -23,21 +24,22 @@ def compute():
 
     It is possible to make £2 in the following way:
 
-        1×£1 + 1×50p + 2×20p + 1×5p + 1×2p + 3×1p
+        1x£1 + 1x50p + 2x20p + 1x5p + 1x2p + 3x1p
 
     How many different ways can £2 be made using any number of coins?
+
     """
-    no_ways = 0
-
+    ans = 0
     coins = [2, 5, 10, 20, 50, 100]
-
     bunch_of_coins = product(*[range(0, 201, i) for i in coins])
+
     for money in bunch_of_coins:
         if sum(money) <= 200:
-            no_ways += 1
+            ans += 1
+
     # consider also the case for 200 coins of 1p
-    return no_ways + 1
+    return ans + 1
+
 
 if __name__ == "__main__":
-
-    print(f"Result for Problem 31: {compute()}")
+    print(f"Result for Problem 31 is {compute()}")