- 把一个字符串中的所有数字去掉
item = 'sdfsdf334ds234f&23&^^&'
char = ''.join(list(filter(lambda x: not x.isdigit(), item)))
# out: 'sdfsdfdsf&&^^&'
item = 'sdfsdf334ds234f&23&^^&'
char = ''.join(list(filter(lambda x: not x.isdigit(), item)))
# out: 'sdfsdfdsf&&^^&'