我做了
def is_subsequence(x, y): """Test whether x is a subsequence of y""" x = list(x) for letter in y: if x and x[0] == letter: x.pop(0) return not x
![如何测试一个字符串是否是另一个字符串的子序列？[重复]](http://www.mshxw.com/aiimages/31/650127.png "如何测试一个字符串是否是另一个字符串的子序列？[重复]")
我做了
def is_subsequence(x, y): """Test whether x is a subsequence of y""" x = list(x) for letter in y: if x and x[0] == letter: x.pop(0) return not x
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