User Input in Python: How to Collect, Process, & Validate Data

Beginner #11: Best practices for conversion and handling invalid input

Photo by cottonbro studio

Table of Contents

· Introduction
∘ Why is User Input Important?
∘ The input() Function
· Single Input
∘ Convert to Integer (int)
∘ Convert to Float (float)
∘ Convert to Boolean (bool)
· Multiple Input
∘ Using split() and map() Method
∘ Using List Comprehension
· Handling User Input
∘ Using try-except for Error Handling
∘ Using Regular Expressions for Format Validation
∘ Using Built-in Functions to Check Input
∘ Limiting Input Length
· Final Thought
· Reference

Introduction

In programming, user input refers to the data provided by a user during the execution of a program. This input allows users to interact with the program, making it dynamic and versatile. For example, a program might ask the user to enter their…