Python Exception Handling: A to Z (Beginner to Advanced)

📄 Introduction to Exceptions ✨📘🔍

What is an Exception? 💥🧠📌

An exception is an error that occurs during the execution of a program. When Python encounters an error, it stops execution and throws an exception. If not handled, the program will crash. 🎯⚠️📉

Real-Life Analogy: Think of a vending machine. If you try to insert a torn currency note, it rejects it and shows an error. Similarly, Python "throws" an error when something unexpected happens. 🥤💸🚫

Common Exception Types 💻📄🚨

• SyntaxError: Incorrect Python syntax.
• ZeroDivisionError: Dividing a number by zero.
• TypeError: Performing an operation on incompatible data types.
• ValueError: Passing the wrong value to a function.
• FileNotFoundError: Trying to open a non-existent file.
• IndexError: Index out of range in a list.

🛡️ Basic Exception Handling 🧰📋💡

Try-Except Block 🛠️💥🔧

try:
    x = 10 / 0
except ZeroDivisionError:
    print("You can't divide by zero!")

Real-Life Example 💳🏧📲

try:
    amount = int(input("Enter withdrawal amount: "))
    print("Dispensing $", amount)
except ValueError:
    print("Invalid input! Please enter a number.")