heyong.fu
42 lines
745 B
Python
42 lines
745 B
Python
# 翻转字符串
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# 推荐方式
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# 切片
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original_string = "hello"
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reversed_string = original_string[::-1]
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# print(reversed_string)
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# 使用reversed 和 join结合
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def reverse_with_list(text):
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char_list = list(text)
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char_list.reverse()
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return "".join(char_list)
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original_string = "hello"
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print(reverse_with_list(original_string))
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# for循环
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original_string = "hello"
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reverse_string = ""
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for char in original_string:
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reverse_string = char + reverse_string
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print(reverse_string)
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# 递归
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def reverse_string_tail(s, result=""):
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if len(s) == 0:
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return result
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else:
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return reverse_string_tail(s[1:], s[0] + result)
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text_string = "Python"
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print(reverse_string_tail(text_string))
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print("7" < "8")
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