Collecting and Validating User Input for a Bank Account in python

by vigneshchennai74 Updated: Feb 17, 2023

Guide Kit

This code is an example of collecting user input in a Python program. Depending on the specifics of the program, you might want to add more or fewer prompts, and you might want to specify different input requirements. Additionally, you could add validation checks to the input to ensure that the user enters valid values before proceeding with the rest of the program. A program like this can help make the process of creating a bank account more efficient, secure, and error-free like

Prevents Errors: The input validation checks in the program help prevent errors that might occur if a user inputs invalid data. This can help prevent potential issues and mistakes arising from incorrect data. For example, if a user enters a non-numeric value for their account number or password, the program will alert them to the mistake and prevent it from being passed along to the bank's systems.

Saves Time: By catching input errors early, the program can save time for both the user and the bank. The user can fix any errors immediately rather than waiting for a bank representative to contact them about an issue with their account. The bank doesn't have to spend time correcting customer mistakes.

Increases Security: By validating user input, the program can help ensure that only authorized users can create accounts and access the bank's systems. This can help prevent fraud, hacking, and other security breaches that could compromise sensitive information.

isalpha() is a string method in Python that returns True when all characters in a string are alphabetic (letters) and False otherwise.
try and except are keywords in Python that are used for error handling. The basic idea is to put code that might raise an error inside a try block and then use except to handle the error if it occurs.

Here is an example of how to collect and validate user input for a Bank Account using Python:

Preview of the output that you will get on running this code.

Code

Writing Python functions

PythonLines of Code : 23License : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries :

def bank_account(name, number, username, password):
    if not name.isalpha():
        print('Your name must only contain letters!')
        return 'Invalid'
    try:
        number = int(number)
        password = int(password)
    except ValueError:
        print('Your number and password must be numeric!')
        return 'Invalid'
    return name, number, username, password


new_name = input("(alphas) Please Enter Your Name: ")
new_number = input("(ints) What's your number please: ")
new_username = input("Enter your UserName: ")
new_password = input("(ints) Enter your Password: ")

print("Your details:", bank_account(new_name,
                                    new_number,
                                    new_username,
                                    new_password))

Copy this code using "Copy" button above and paste it in your Python ide
Create a function. To call a function, use the function name followed by parenthesis
Run the code to get the Output.

I hope you have found this useful. I have added the dependent library and version information in the following section.

I found this code snippet by searching "writing a python function " in kandi. you can try any use case.

Environment Tested

In this solution we have used the following versions. Be mindful to change when working with other versions.

This solution is created using Python version 3.7.15

Using this solution we can able to create and call the function in python with simple Steps. This process also facilities an easy to use, hassle free method to create a hands-on working version of code which would help us to create and call the function in Python.

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