30 lines
603 B
Python
30 lines
603 B
Python
# 接受字符串，将字符串反转返回
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def str_reverse(s):
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"""
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:param s: 将被反转的字符串
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:return: 反转后的字符串
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"""
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return s[::-1]
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# reversed(s)
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# print(s)
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# 按照下标x和y，对字符串进行切片
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def sub_str(s, x, y):
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"""
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:param s:即将被切片的字符串
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:param x: 切片开始的下标
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:param y: 切片结束的下标
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:return: 切片后的字符串
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"""
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return s[x:y]
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# s = s[x:y:1]
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# print(s)
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if __name__ == "__main__":
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print(str_reverse("猫抓鼠"))
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print(sub_str("tom and jerry", 2, 6))
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