try/except

Learn to catch exceptions with try/except.

Catch errors with try/except

Code inside a try block may raise an error; the except block catches it so the program keeps running:

try:
    x = int("abc")
except:
    print("Geçersiz giriş")

Here int("abc") raises ValueError; the except block catches it and prints a message. Without try the program would stop.

This is the standard approach for operations that may fail, such as user input and file reading.

A bare except: catches all errors, but this is dangerous — it hides unexpected bugs. It is better to catch a specific type:

try:
    x = int("abc")
except ValueError:
    print("Sayı değil")

Here only ValueError is caught. If another error (say TypeError) occurs, the program still crashes — which is the desired behaviour.

Multiple except blocks can also be written: one per type.

Inside a try block write x = int("abc"). Inside an except ValueError: block write print("hata").

Show example solution

try:
    x = int("abc")
except ValueError:
    print("hata")

Complete the except keyword

try:
    x = int("abc")
____:
    print("hata")

Show answer

try:
    x = int("abc")
except:
    print("hata")