add type hints

project_euler/problem_01/sol1.py

@@ -1,3 +1,4 @@
+# noqa: flake
 """
 Problem Statement:
 If we list all the natural numbers below 10 that are multiples of 3 or 5,
@@ -6,7 +7,7 @@
 """
 
 
-def solution(n):
+def solution(n: int) -> int:
     """Returns the sum of all the multiples of 3 or 5 below n.
 
     >>> solution(3)

project_euler/problem_01/sol2.py

@@ -6,7 +6,7 @@
 """
 
 
-def solution(n):
+def solution(n: int) -> int:
     """Returns the sum of all the multiples of 3 or 5 below n.
 
     >>> solution(3)

project_euler/problem_01/sol3.py

@@ -6,7 +6,7 @@
 """
 
 
-def solution(n):
+def solution(n: int) -> int:
     """
     This solution is based on the pattern that the successive numbers in the
     series follow: 0+3,+2,+1,+3,+1,+2,+3.

project_euler/problem_01/sol4.py

@@ -6,7 +6,7 @@
 """
 
 
-def solution(n):
+def solution(n: int) -> int:
     """Returns the sum of all the multiples of 3 or 5 below n.
 
     >>> solution(3)

project_euler/problem_01/sol5.py

@@ -8,7 +8,7 @@
 """A straightforward pythonic solution using list comprehension"""
 
 
-def solution(n):
+def solution(n: int) -> int:
     """Returns the sum of all the multiples of 3 or 5 below n.
 
     >>> solution(3)

project_euler/problem_01/sol6.py

@@ -6,7 +6,7 @@
 """
 
 
-def solution(n):
+def solution(n: int) -> int:
     """Returns the sum of all the multiples of 3 or 5 below n.
 
     >>> solution(3)

project_euler/problem_01/sol7.py

@@ -6,7 +6,7 @@
 """
 
 
-def solution(n):
+def solution(n: int) -> int:
     """Returns the sum of all the multiples of 3 or 5 below n.
 
     >>> solution(3)