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Python Exponential Backoff Retry Example

Retry a flaky function with exponential backoff and jitter-free delays, printing each attempt and finally returning the successful result.

retry backoff exception-handling

Python

import random
import time


def flaky_function():
    if random.random() < 0.6:
        raise ConnectionError("Temporary network error")
    return "success"


def retry_with_exponential_backoff(func, max_retries=5, base_delay=1.0):
    for attempt in range(max_retries + 1):
        try:
            return func()
    …

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