Input Handling • Prompt the user to enter their 4-digit ATM PIN. • Ensure the input is exactly 4 digits long. • If the input is too short or too long, show an ...
class ATM: def init(self): # Simulated user database (username: [PIN, balance]) self.users = { "user1": ["1234", 1000.0], "user2": ["5678", 2500.0] } self.current ...
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