act-01-5.py

# Now let's make that REPL!!!

MAX_FAILED = 3

# our users database is similar to a constant.
# although we might add users, it's something
# global (at the top-level, on the left) and it's
# good to differentiate it. we use it mostly like a constant
USERS = {
  "admin": {
    "name": "Administrator",
    "password": "password",
    "failed": 0,
  },
  "member": {
    "name": "ProgSoc Guest Account",
    "password": "pogsoc2024",
    "failed": 0,
  },
  "oli": {
    "name": "Oli",
    "password": "this-is-actually-my-1-real-password-or-is-it?",
    "failed": 0,
  }
}

# log-in loop
while True:
  print("="*40)
  print("Welcome to the Python Repl for Offline Grokking of Snake Oriented Code (PROGSOC)")
  print("="*40)
  username = input("Username: ")
  password = input("Password: ")

  if username in USERS:
    user = USERS[username]
    if password == user["password"]:
      print("Access Granted.")
      print(f"Welcome {user["name"]} to PROGSOC!")
    else:
      user["failed"] += 1
      print(f"Access Denied. {MAX_FAILED - user["failed"]} attempt{"s" if user["failed"] != 1 else ""} remaining.")
      if user["failed"] >= MAX_FAILED:
        print("ALARM RAISED. SELF-DESTRUCT SEQUENCE ENGAGING...")
        break
  else:
    print("Sorry, we don't know that user. Try again.")