可以指定要生成的密码长度的Python代码，长度python,可以指定要生成的密码长度

可以指定要生成的密码长度的Python代码，长度python,可以指定要生成的密码长度

可以指定要生成的密码长度的Python代码

from os import urandomfrom random import choicechar_set = {'small': 'abcdefghijklmnopqrstuvwxyz',             'nums': '0123456789',             'big': 'ABCDEFGHIJKLMNOPQRSTUVWXYZ',             'special': '^!\$%&amp;/()=?{[]}+~#-_.:,;<>|\\'            }def generate_pass(length=21):    """Function to generate a password"""    password = []    while len(password) < length:        key = choice(char_set.keys())        a_char = urandom(1)        if a_char in char_set[key]:            if check_prev_char(password, char_set[key]):                continue            else:                password.append(a_char)    return ''.join(password)def check_prev_char(password, current_char_set):    """Function to ensure that there are no consecutive    UPPERCASE/lowercase/numbers/special-characters."""    index = len(password)    if index == 0:        return False    else:        prev_char = password[index - 1]        if prev_char in current_char_set:            return True        else:            return Falseif __name__ == '__main__':    print generate_pass()