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First solution in Clear category for Sort by Extension by sesenion
def extension(path: str) -> str:
parts = path.split(".")
if len(parts) == 2 and parts[0] == "":
return ""
return parts[-1]
def sort_by_ext(files: list[str]) -> list[str]:
sorted_paths = sorted(files, key=lambda x: (extension(x), x))
return [path for path in sorted_paths]
print("Example:")
print(sort_by_ext(["1.cad", "1.bat", "1.aa"]))
assert sort_by_ext(["1.cad", "1.bat", "1.aa"]) == ["1.aa", "1.bat", "1.cad"]
assert sort_by_ext(["1.cad", "1.bat", "1.aa", "2.bat"]) == [
"1.aa",
"1.bat",
"2.bat",
"1.cad",
]
assert sort_by_ext(["1.cad", "1.bat", "1.aa", ".bat"]) == [
".bat",
"1.aa",
"1.bat",
"1.cad",
]
assert sort_by_ext(["1.cad", "1.bat", ".aa", ".bat"]) == [
".aa",
".bat",
"1.bat",
"1.cad",
]
assert sort_by_ext(["1.cad", "1.", "1.aa"]) == ["1.", "1.aa", "1.cad"]
assert sort_by_ext(["1.cad", "1.bat", "1.aa", "1.aa.doc"]) == [
"1.aa",
"1.bat",
"1.cad",
"1.aa.doc",
]
assert sort_by_ext(["1.cad", "1.bat", "1.aa", ".aa.doc"]) == [
"1.aa",
"1.bat",
"1.cad",
".aa.doc",
]
assert sort_by_ext(["1.cad", "2.bat", "1.aa", "1.bat"]) == [
"1.aa",
"1.bat",
"2.bat",
"1.cad",
]
print("The mission is done! Click 'Check Solution' to earn rewards!")
Jan. 15, 2023
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