Python Try-Except

Handle errors properly.

Basic Try-Except

```python try: number = int(input("Enter number: ")) print(10 / number) except: print("Something went wrong!") ```

Specific Exceptions

```python try: number = int(input("Enter number: ")) result = 10 / number except ValueError: print("Please enter a valid number!") except ZeroDivisionError: print("Cannot divide by zero!") ```

Else and Finally

```python try: file = open("data.txt", "r") content = file.read() except FileNotFoundError: print("File not found!") else: print("File read successfully!") finally: print("This always runs") ```

Raise Exceptions

```python def check_age(age): if age < 0: raise ValueError("Age cannot be negative!") if age < 18: print("Too young") else: print("Welcome!")

check_age(25) # Welcome! ```

Remember

- Always handle specific errors - Use finally for cleanup - Don't catch all exceptions blindly