Sir's Password

fileTest =open("usernamepassword.txt", "a")#this creates the text file to store relevant information



print("What is your first name?")
firstname = input()

print("What is your surname?")
surname=input()

username=surname[0:3]+firstname[0]+str(len(surname))
fileTest.write(username + "\n")
#use + to not have spaces

#checks the password for validation
import re
print("Please enter a password: ")
password=input()

x = True
while x:
    if (len(password)<6 or len(password)>12):
        break
    elif not re.search("[a-z]",password):
        break
    elif not re.search("[0-9]",password):
        break
    elif not re.search("[A-Z]",password):
        break
    elif not re.search("[$#@]",password):
        break
    else:
        print("Valid Password")
        x=False
        break

if x!=password:
    password=input("Not a Valid Password.  Please ensure that your password is between 6 and 12 characters and contains at least an Upper Case letter, a number or a special character.  Please enter a new password:")

if x:
    print("Thank you for signing up, your user name is,", username,"and the password is", password)



fileTest.write(password)


fileTest.close()


file = open("usernamepassword.txt")
text = file.readlines()




print("Please confirm your username: ")
username1=input()

if username1!=text[0]:
    print("This username does not exist")

while username1!=username:
    username1=input("Please try again:")

else:
    print("Thank you")

attempt=0
flag=0


while (attempt!=3):
    password1=input("Please confirm password:")
    if password1==password:
        flag=1
        break
    else:
        attempt=attempt+1
        if(attempt==3):
            print("You have reached the maximum number of attempts!")

while password1!=password:
    password1=input("Please try again:")

else:
    print("Thank you, your details have been saved and confirmed.")