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[+] Prep9 cycle

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Hykilpikonna
2022-03-13 23:42:10 -04:00
parent a2f3c6f2d6
commit 7979e70e8b
1 changed files with 8 additions and 2 deletions
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practice/prep9.py
+8 -2
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@@ -148,7 +148,10 @@ def cycle(lst: list) -> None:
- Do NOT call any list methods; instead, move the elements by assigning to indexes - Do NOT call any list methods; instead, move the elements by assigning to indexes
(e.g., lst[1] = list[0] or lst[i] = lst[i + 1]). (e.g., lst[1] = list[0] or lst[i] = lst[i + 1]).
""" """
# TODO: implement this function last = lst[-1]
for i in reversed(range(len(lst))):
lst[i] = lst[i - 1]
lst[0] = last
def cycle_sublist(lst: list, b: int, e: int) -> None: def cycle_sublist(lst: list, b: int, e: int) -> None:
@@ -168,7 +171,10 @@ def cycle_sublist(lst: list, b: int, e: int) -> None:
>>> lst2 >>> lst2
[10, 7, 3, 5, 9000] [10, 7, 3, 5, 9000]
""" """
# TODO: implement this function last = lst[e - 1]
for i in reversed(range(b, e)):
lst[i] = lst[i - 1]
lst[b] = last
if __name__ == '__main__': if __name__ == '__main__':