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Invalid password

The second part of the website project is to write a script that validates the password entered by the user. The company also puts some rules in order to verify valid passwords:

  • It can contain lowercase a-z and uppercase letters A-Z
  • It can contain numbers
  • It can contain the symbols: *, #, $, %, !, &, .
  • It must be at least 8 characters long but not more than 20

Your colleague also gave you a list of passwords as examples to test.

The list passwords and the module re are loaded in your session. You can use print(passwords) to view them in the IPython Shell.

이 연습은 강의의 일부입니다

Regular Expressions in Python

강의 보기

연습 안내

  • Write a regular expression to check if the passwords are valid according to the description.
  • Search the elements in the passwords list to find out if they are valid passwords.
  • To print out the message indicating if it is a valid password or not, complete .format() statement.

실습형 인터랙티브 연습

이 예제를 이 샘플 코드를 완성하여 풀어보세요.

# Write a regex to check if the password is valid
regex = ____"[____]____"

for example in passwords:
  	# Scan the strings to find a match
    if re.____(____, ____):
        # Complete the format method to print out the result
      	print("The password {____} is a valid password".format(pass_example=____))
    else:
      	print("The password {____} is invalid".format(pass_example=____))
코드 편집 및 실행