Update docstring and 0-padding of directory name. Reference: #3256

Author: fpringle

project_euler/problem_75/__init__.py renamed to project_euler/problem_075/__init__.py

@@ -1,4 +1,6 @@
 """
+Project Euler Problem 75: https://projecteuler.net/problem=75
+
 It turns out that 12 cm is the smallest length of wire that can be bent to form an
 integer sided right angle triangle in exactly one way, but there are many more examples.
 
@@ -48,4 +50,4 @@ def solution(limit: int = 1500000) -> int:
 
 
 if __name__ == "__main__":
-    print(solution())
+    print(f"{solution() = }")