diff --git a/puzzles/1.py b/puzzles/1.py
index 7cecb4b..2887847 100644
--- a/puzzles/1.py
+++ b/puzzles/1.py
@@ -7,7 +7,7 @@ test_input = """
 1   3
 3   9
 3   3
-""".strip()
+"""
 
 test_solution_p1 = 11
 test_solution_p2 = 31
@@ -28,6 +28,6 @@ def solve_p2(puzzle_input: str) -> int:
 
 
 def _parse_lists(puzzle_input: str) -> tuple[list[int], list[int]]:
-    lines = (line.partition("   ") for line in puzzle_input.split("\n") if line)
+    lines = (line.partition("   ") for line in puzzle_input.strip().split("\n"))
     list1, list2 = zip(*((int(line[0]), int(line[2])) for line in lines))
     return list1, list2
diff --git a/puzzles/2.py b/puzzles/2.py
index cc208b7..3e8ba4a 100644
--- a/puzzles/2.py
+++ b/puzzles/2.py
@@ -10,7 +10,7 @@ test_input = """
 1 3 2 4 5
 8 6 4 4 1
 1 3 6 7 9
-""".strip()
+"""
 
 test_solution_p1 = 2
 test_solution_p2 = 4
@@ -41,7 +41,7 @@ def solve_p2(puzzle_input: str) -> int:
 
 
 def _parse_reports(puzzle_input: str) -> Iterator[tuple[int, ...]]:
-    lines = puzzle_input.splitlines()
+    lines = puzzle_input.strip().splitlines()
     return (tuple(int(level) for level in line.split(" ")) for line in lines)
 
 
diff --git a/puzzles/3.py b/puzzles/3.py
index 1226c69..d3befd8 100644
--- a/puzzles/3.py
+++ b/puzzles/3.py
@@ -1,12 +1,13 @@
 import re
 from functools import reduce
 
-test_input_p1 = (
-    "xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))"
-)
-test_input_p2 = (
-    "xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))"
-)
+test_input_p1 = """
+xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))
+"""
+
+test_input_p2 = """
+xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5))
+"""
 
 test_solution_p1 = 161
 test_solution_p2 = 48
diff --git a/puzzles/4.py b/puzzles/4.py
index 97baf6d..0291751 100644
--- a/puzzles/4.py
+++ b/puzzles/4.py
@@ -11,7 +11,7 @@ SMSMSASXSS
 SAXAMASAAA
 MAMMMXMMMM
 MXMXAXMASX
-""".strip()
+"""
 
 test_solution_p1 = 18
 test_solution_p2 = 9
@@ -29,7 +29,7 @@ def solve_p2(puzzle_input: str) -> int:
 
 
 def _parse_world_grid(puzzle_input: str) -> tuple[tuple[str, ...], ...]:
-    return tuple(tuple(row) for row in puzzle_input.splitlines())
+    return tuple(tuple(row) for row in puzzle_input.strip().splitlines())
 
 
 def _scan_word_grid(
diff --git a/puzzles/5.py b/puzzles/5.py
index 57be724..34d2e65 100644
--- a/puzzles/5.py
+++ b/puzzles/5.py
@@ -29,7 +29,7 @@ test_input = """
 75,97,47,61,53
 61,13,29
 97,13,75,29,47
-""".strip()
+"""
 
 test_solution_p1 = 143
 test_solution_p2 = 123
diff --git a/puzzles/6.py b/puzzles/6.py
index 8775a06..4c71977 100644
--- a/puzzles/6.py
+++ b/puzzles/6.py
@@ -11,7 +11,7 @@ test_input = """
 ........#.
 #.........
 ......#...
-""".strip()
+"""
 
 test_solution_p1 = 41
 test_solution_p2 = 6
@@ -51,7 +51,7 @@ def _parse_map(puzzle_input: str) -> MapInfo:
     puzzle_map = []
     guard = None
 
-    for x, line in enumerate(puzzle_input.split("\n")):
+    for x, line in enumerate(puzzle_input.strip().split("\n")):
         if not line:
             continue
         line_list = list()
diff --git a/puzzles/7.py b/puzzles/7.py
index be98f11..6406e8f 100644
--- a/puzzles/7.py
+++ b/puzzles/7.py
@@ -13,7 +13,7 @@ test_input = """
 192: 17 8 14
 21037: 9 7 18 13
 292: 11 6 16 20
-""".strip()
+"""
 
 test_solution_p1 = 3749
 test_solution_p2 = 11387
@@ -50,7 +50,7 @@ class Equation(NamedTuple):
 
 
 def _parse_equations(puzzle_input: str) -> Iterator[Equation]:
-    for line in puzzle_input.split("\n"):
+    for line in puzzle_input.strip().split("\n"):
         if line:
             result_string, _, factors_string = line.partition(": ")
             yield Equation(
diff --git a/puzzles/8.py b/puzzles/8.py
index 32dd629..2e3ea81 100644
--- a/puzzles/8.py
+++ b/puzzles/8.py
@@ -14,7 +14,7 @@ test_input = """
 .........A..
 ............
 ............
-""".strip()
+"""
 
 test_solution_p1 = 14
 test_solution_p2 = 34