Python 3.7 Account Script

import time
import sys
username = input("Enter your Username ")
time.sleep (0.5)
password = input("Enter your Password ")
print ("Okay! Now re-sign in!")
accountInfo1 = username
accountInfo2 = password
accountInfo3 = input("Enter the Username ")
accountInfo4 = input("Enter the Password ")
if accountInfo3 == username:
    print (" ")
else:
    print("The Username is incorrect")
    sys.exit(1)
if accountInfo4 == password:
    print ("Correct! You have logged in!")
else:
    print ("The Password is incorrect")