Adopted new convention from template

src/Python/Problems001-050/Problem042.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 """
 Created on 26 Jul 2021
 
@@ -14,29 +14,31 @@ from pathlib import Path
 from utils import timeit
 
 
+def triangle_number(num):
+    return int(0.5 * num * (num + 1))
+
+
+def word_to_value(word):
+    return sum(ord(letter) - 64 for letter in word)
+
+
 @timeit("Problem 42")
 def compute():
     """
-    The nth term of the sequence of triangle numbers is given by, tn = ½n(n+1);
-    so the first ten triangle numbers are:
+    The nth term of the sequence of triangle numbers is given by,
+    tn = n(n+1)/2; so the first ten triangle numbers are:
 
         1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...
 
-    By converting each letter in a word to a number corresponding to its alphabetical
-    position and adding these values we form a word value. For example, the word value
-    for SKY is 19 + 11 + 25 = 55 = t10. If the word value is a triangle number then we
-    shall call the word a triangle word.
+    By converting each letter in a word to a number corresponding to its
+    alphabetical position and adding these values we form a word value. For
+    example, the word value for SKY is 19 + 11 + 25 = 55 = t10. If the word
+    value is a triangle number then we shall call the word a triangle word.
 
-    Using words.txt, a 16K text file containing nearly two-thousand common English words,
-    how many are triangle words?
+    Using words.txt, a 16K text file containing nearly two-thousand common
+    English words, how many are triangle words?
     """
 
-    def triangle_number(num):
-        return int(0.5 * num * (num + 1))
-
-    def word_to_value(word):
-        return sum(ord(letter) - 64 for letter in word)
-
     triangular_numbers = [triangle_number(n) for n in range(27)]
     ans = 0
 
@@ -51,5 +53,4 @@ def compute():
 
 
 if __name__ == "__main__":
-
-    print(f"Result for Problem 42: {compute()}")
+    print(f"Result for Problem 42 is {compute()}")