# Example of optimizing a Python function for performance
def process_data(data):
# Using list comprehension for better performance
return [item * 2 for item in data if item > 0]
# Utilizing caching to avoid repeated computations
from functools import lru_cache
@lru_cache(maxsize=1000)
def fibonacci(n):
if n < 2:
return n
return fibonacci(n-1) + fibonacci(n-2)
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