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Update Decorators.py

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Original file line number	Diff line number	Diff line change
`@@ -46,3 +46,23 @@ def greet(name, greeting='Welcome Sir'):`
`46`	`46`
`47`	`47`	`greet('Ali', greeting='How are you?')`
`48`	`48`
	`49`	`+# Example 5: Cache decorator (stores results to avoid recalculation)`
	`50`	`+def cache(func):`
	`51`	`+ cache_value = {} # Store previous results here`
	`52`	`+ def wrapper_3(*args):`
	`53`	`+ if args in cache_value:`
	`54`	`+ return cache_value[args] # Return cached result if available`
	`55`	`+ result_1 = func(*args)`
	`56`	`+ cache_value[args] = result_1 # Store result in cache`
	`57`	`+ return result_1`
	`58`	`+ return wrapper_3`
	`59`	`+`
	`60`	`+@cache`
	`61`	`+def log_running_function(a, b):`
	`62`	`+ time.sleep(4) # Simulate slow computation`
	`63`	`+ return a + b`
	`64`	`+`
	`65`	`+print(log_running_function(2, 3))`
	`66`	`+print(log_running_function(2, 3)) # This call will return instantly from cache`
	`67`	`+print(log_running_function(4, 3))`
	`68`	`+`

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