Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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2) Prompt the user for a bank account number. Then if the user is an existing customer, greet them with their name. 
Ex:

Please enter your bank account number: 109 Greetings, John Doe!

Expert Solution
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Step 1

Here's an example of python code to implement the prompt and greeting:

Input:

bank_accounts = {
    "109": {"name": "John Doe"},
    "110": {"name": "Jane Doe"},
    "111": {"name": "Jim Brown"}
}

bank_account_number = input("Please enter your bank account number: ")

if bank_account_number in bank_accounts:
    name = bank_accounts[bank_account_number]["name"]
    print(f"Greetings, {name}!")
else:
    print("Sorry, we could not find an account associated with that number.")

 

Output:

Please enter your bank account number: 109
Greetings, John Doe!


 

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