How can I implement a custom cache in Python?

How can I implement a custom cache in Python?

You can implement a custom cache in Python using a dictionary to store cached values and a decorator to manage caching.

Can you show me a simple example of that?

Sure! Here's a basic example:

import time

def cache(func):
    cached_results = {}
    def wrapper(*args):
        if args in cached_results:
            return cached_results[args]
        result = func(*args)
        cached_results[args] = result
        return result
    return wrapper

@cache
def slow_function(x):
    time.sleep(2)  # Simulate a slow computation
    return x * 2

print(slow_function(3))  # Takes time to compute
print(slow_function(3))  # Returns cached result instantly

What if I want to set a timeout for the cache?

You can modify the cache to include timestamps and check if the cached value has expired before returning it.