Python初学者基础问题

这个代码就是一个简易的密码检查是否符合要求，代码没问题，就是在此基础上，再定义一个专门实现输入的函数，要求在输入时不仅不显示密码，还要显示对应长度的*，麻烦看一下，给一个修改后的代码，谢谢

import getpass
 
MIN_LENGTH = 5
MAX_LENGTH = 15
SPECIAL_CHARS_REQUIRED = False
SPECIAL_CHARACTERS = "!@#$%^&*()_-=+`~,./'[]<>?{}|\\"
 
 
def main():
    """Program to get and check a user's password."""
    print("Please enter a valid password")
    print("Your password must be between", MIN_LENGTH, "and", MAX_LENGTH,
          "characters, and contain:")
    print("\t1 or more uppercase characters")
    print("\t1 or more lowercase characters")
    print("\t1 or more numbers")
    if SPECIAL_CHARS_REQUIRED:
        print("\tand 1 or more special characters: ", SPECIAL_CHARACTERS)
    password = getpass.getpass("> ")
    while not is_valid_password(password):
        print("Invalid password!")
        password = getpass.getpass("> ")
    print("Your {}-character password is valid: {}".format(len(password), password))
 
 
def is_valid_password(password):
    if len(password) < MIN_LENGTH or len(password) > MAX_LENGTH:
        return False
    count_lower = 0
    count_upper = 0
    count_digit = 0
    count_special = 0
    for char in password:
        if char.isdigit():
            count_digit += 1
        elif char.isupper():
            count_upper += 1
        elif char.islower():
            count_lower += 1
        elif char in SPECIAL_CHARACTERS:
            count_special += 1
 
    if count_lower == 0 or count_upper == 0 or count_digit == 0:
        return False
    if SPECIAL_CHARS_REQUIRED and count_special == 0:
        return False
    return True
 
 
main()

import getpass
 
MIN_LENGTH = 5
MAX_LENGTH = 15
SPECIAL_CHARS_REQUIRED = False
SPECIAL_CHARACTERS = "!@#$%^&*()_-=+`~,./'[]<>?{}|\\"
 
def getInput():
    return getpass.getpass("> ")
def main():
    """Program to get and check a user's password."""
    print("Please enter a valid password")
    print("Your password must be between", MIN_LENGTH, "and", MAX_LENGTH,
          "characters, and contain:")
    print("\t1 or more uppercase characters")
    print("\t1 or more lowercase characters")
    print("\t1 or more numbers")
    if SPECIAL_CHARS_REQUIRED:
        print("\tand 1 or more special characters: ", SPECIAL_CHARACTERS)
    password = getInput()
    while not is_valid_password(password):
        print("Invalid password!")
        password = getInput()
    print("Your {}-character password is valid: {}".format(len(password), password))
 
 
def is_valid_password(password):
    if len(password) < MIN_LENGTH or len(password) > MAX_LENGTH:
        return False
    count_lower = 0
    count_upper = 0
    count_digit = 0
    count_special = 0
    for char in password:
        if char.isdigit():
            count_digit += 1
        elif char.isupper():
            count_upper += 1
        elif char.islower():
            count_lower += 1
        elif char in SPECIAL_CHARACTERS:
            count_special += 1
 
    if count_lower == 0 or count_upper == 0 or count_digit == 0:
        return False
    if SPECIAL_CHARS_REQUIRED and count_special == 0:
        return False
    return True
 
main()

• 你看下这篇博客吧, 应该有用👉 ：Python初学者练习题

import stdiomask
 
MIN_LENGTH = 5
MAX_LENGTH = 15
SPECIAL_CHARS_REQUIRED = False
SPECIAL_CHARACTERS = "!@#$%^&*()_-=+`~,./'[]<>?{}|\\"
 
 
def main():
    """Program to get and check a user's password."""
    print("Please enter a valid password")
    print("Your password must be between", MIN_LENGTH, "and", MAX_LENGTH,
          "characters, and contain:")
    print("\t1 or more uppercase characters")
    print("\t1 or more lowercase characters")
    print("\t1 or more numbers")
    if SPECIAL_CHARS_REQUIRED:
        print("\tand 1 or more special characters: ", SPECIAL_CHARACTERS)
    password = stdiomask.getpass()
    while not is_valid_password(password):
        print("Invalid password!")
        password = stdiomask.getpass()
    print("Your {}-character password is valid: {}".format(len(password), password))
 
 
def is_valid_password(password):
    if len(password) < MIN_LENGTH or len(password) > MAX_LENGTH:
        return False
    count_lower = 0
    count_upper = 0
    count_digit = 0
    count_special = 0
    for char in password:
        if char.isdigit():
            count_digit += 1
        elif char.isupper():
            count_upper += 1
        elif char.islower():
            count_lower += 1
        elif char in SPECIAL_CHARACTERS:
            count_special += 1
 
    if count_lower == 0 or count_upper == 0 or count_digit == 0:
        return False
    if SPECIAL_CHARS_REQUIRED and count_special == 0:
        return False
    return True
 
 
main()