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* Retranslate the complete Japanese online edition from Chinese * Fit Japanese homepage labels and localize heading permalinks * Point Japanese contribution instructions to the Japanese preview * Replace locale conditionals with multilingual UI tables
66 lines
1.5 KiB
Python
66 lines
1.5 KiB
Python
"""
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File: iteration.py
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Created Time: 2023-08-24
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Author: krahets (krahets@163.com)
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"""
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def for_loop(n: int) -> int:
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"""for ループ"""
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res = 0
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# ループで 1, 2, ..., n-1, n の和を求める
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for i in range(1, n + 1):
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res += i
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return res
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def while_loop(n: int) -> int:
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"""while ループ"""
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res = 0
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i = 1 # 条件変数を初期化する
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# ループで 1, 2, ..., n-1, n の和を求める
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while i <= n:
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res += i
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i += 1 # 条件変数を更新する
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return res
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def while_loop_ii(n: int) -> int:
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"""while ループ（2 回の更新）"""
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res = 0
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i = 1 # 条件変数を初期化する
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# ループで 1, 4, 10, ... の和を求める
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while i <= n:
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res += i
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# 条件変数を更新する
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i += 1
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i *= 2
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return res
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def nested_for_loop(n: int) -> str:
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"""二重 for ループ"""
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res = ""
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# i = 1, 2, ..., n-1, n のループ
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for i in range(1, n + 1):
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# j = 1, 2, ..., n-1, n のループ
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for j in range(1, n + 1):
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res += f"({i}, {j}), "
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return res
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"""実行用コード"""
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if __name__ == "__main__":
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n = 5
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res = for_loop(n)
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print(f"\nfor ループで求めた和 res = {res}")
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res = while_loop(n)
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print(f"\nwhile ループで求めた和 res = {res}")
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res = while_loop_ii(n)
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print(f"\nwhile ループ（2 回の更新）で求めた和 res = {res}")
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res = nested_for_loop(n)
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print(f"\n二重 for ループの走査結果 {res}")
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