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Quick Tip: List comprehensions are faster than `map()` in most cases

Quick Tip: List comprehensions are faster than map() in most cases

When it comes to transforming lists in Python, two popular options are list comprehensions and the map() function. While both can achieve the same result, they differ in terms of performance. In most cases, list comprehensions are faster than map().

Let's take a look at a quick benchmark using the timeit module:


python
import timeit

# Define a simple function to square a number
def square(x):
    return x ** 2

# Create a list of numbers
numbers = list(range(1000))

# Benchmark list comprehension
list_comp_time = timeit.timeit(lambda: [square(x) for x in

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