for_vs_comprehension.py

import time

def simple_for():
    lista = []
    for x in range(0, 100_000_000):
        lista.append(x)


def list_comprehension():
    lista = [x for x in range(0, 100_000_000)]



start_time = time.time()
simple_for()
print("--- %s seconds ---" % (time.time() - start_time))

start_time = time.time()
list_comprehension()
print("--- %s seconds ---" % (time.time() - start_time))