Python Programming for Complete Beginners: A Structured Course

Lesson 8: Error Handling (Try-Except)

Objective: Prevent crashes from user errors.

  • tryexceptfinally.

Code Example:

python
 
try:  
    num = int(input("Enter a number: "))  
except ValueError:  
    print("Invalid input!")  

Exercise:

  • Modify a calculator to handle non-numeric inputs.