RememberingUserNames.py

name = input("Please enter your name: ")
nickname = input("Please enter your nickname: ")
profile = name[0:3] +  nickname[0:4]
print("Your profile has been created and is " +  str(profile ) + ".")

file = open("Login.txt " ,  "a")
file.write(profile)
file.write(",")
file.write("\n")
file.close()

print("Your name has been saved ")
print("Remember you have only three choices to enter correct profile name ")

userInput = input("What is your profile ?\n")

if userInput == profile:
  print("Welcome " + str(name))
  print("Finished")
else:
  print("Please try again ")
  userInput = input("Please enter a  valid profile name: ")
  if userInput == profile:
    print("Welcome "  + str(name))
  else:
    print("Please try again ")
    userInput = input("Please enter a valid profile name: ")
    if userInput == profile:
      print("Welcome " + str(name))
    else:
      print("Please start again !")