多测师讲解python _string_高级讲师肖sir

import string
print (string.ascii_letters )
#大小写英文：'#abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
print ( string.ascii_lowercase  )
#英文小写：abcdefghijklmnopqrstuvwxyz'
print(string.ascii_uppercase  )
#英文大写：ABCDEFGHIJKLMNOPQRSTUVWXYZ
print(string.digits  )
# 数字0-9：'0123456789'
print(string.hexdigits )
#数据0-9+a-f+A-F:'0123456789abcdefABCDEF'