Error Handling in Phone Number Libs

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In a small town, there was a young programmer named Mia. Mia loved to create software that helped people. One day, she decided to make a phone number library, called “PhoneLib,” to help users manage their contacts easily. As she started coding, she pictured how it would help the elderly, busy parents, and even her friends. But Mia knew that every good software needed to handle errors properly.

Mia began with the basics. She created a function to add phone numbers. At first, everything seemed perfect. But one day, while testing her code, she entered a phone number with too many digits. The software south korea phone number library crashed! Mia was puzzled. “Why did that happen? ” she wondered. She knew she needed to add error handling.

Mia quickly learned about exceptions. She decided to include checks for the length of the phone number. If a number was too short or too long, the program would show a friendly message instead of crashing. “This will help users know what went wrong,” she thought. She worked late into the night, adding these features to her library.

But as Mia continued to test, another problem appeared. She entered a number with letters in it. The library froze again! “Oh no! ” Mia exclaimed. “How can I make it foolproof? ” She realized she needed to also check if the input was a number. So, she created a function to filter out anything that wasn’t a digit. Now, if users tried to enter letters, they would receive a helpful prompt, guiding them to enter numbers only.

With each test, Mia felt more excited. But then, she faced a bigger challenge. What if someone tried to call a number that was not registered? Mia wanted her library to be user-friendly. Instead of just errors, she decided to let users leave a voicemail. So, she created a feature where unrecognized numbers would prompt a message, saying, “This number is not saved yet. Do you want to add it? ”

Finally, after many hours of work, Mia felt proud of PhoneLib. She had turned her small project into something big. With error handling in place, her library would help users manage their phone numbers without any worries. Mia smiled, knowing she had created something special that could genuinely help people. With her heart full of joy, she decided it was time to share PhoneLib with the world.