🏦 Bank Application

A Python-based Banking Application built for learning and practice purposes. This is a command-line (CLI) project that demonstrates core Python concepts such as functions, dictionaries, loops, input validation, and basic authentication logic.

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Features

• User Signup with strong password validation

• Login System using account number & password

• Banking Operations

• Credit amount

• Debit amount

• Check balance

• View account details

• Password Management

• Change password after login

• Forgot password recovery

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Password Validation Rules

A valid password must contain:

• Minimum 8 characters
• At least 1 uppercase letter
• At least 1 digit
• At least 1 special character
• No spaces allowed

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Application Menus

Main Menu

1. Login
2. Signup
3. Forgot Password
4. Exit

Banking Menu (After Login)

1. Credit
2. Debit
3. Change Password
4. Check Balance
5. Show Details
6. Logout

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🧩 Data Structure Example

data = {
    1001: {
        "Name": "UserName",
        "Password": "Password@123",
        "Balance": 5000
    }
}

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