%timeit [num for num in range(51)]

# 결과
# 2.81 us +- 186 ns per loop (mean +- std. dev. of 7 runs, 100000 loops each)

%timeit [*range(51)]

# 결과
# 535 ns +- 87.7 ns per loop (mean +- std. dev. of 7 runs, 1000000 loops each)