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hellopython_study_specc
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hellopython_study_specc
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str_util.py
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main
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hellopython_study_specc
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str_util.py
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"""
字符串相关的工具模块
"""
def str_reverse(s):
"""
功能是将字符串完成反转操作
:param s: 将被反转的字符串
:return: 完成反转的字符串
"""
reversed_str = s[::-1]
print(reversed_str)
return reversed_str
# 测试
if __name__ == '__main__':
str_reverse('hello')
def substr(s, x, y):
"""
功能是按照给定的下标完成给定字符串的切片
:param s: 需要进行切片的字符串
:param x: 切片的开始下标
:param y: 步长
:return: 完成的字符串的切片
"""
substr_s = s[x::y] # 序列切片语法
print(substr_s)
return substr_s
# 测试
if __name__ == '__main__':
substr('helloworld',1,2)
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