print_in_file_vs_writelines.txt

import timeit

i = [str(x) for x in range(1000000)]
def funct_write_with_print():
    with open('test1.txt', 'w') as fout:
        print(i, file=fout)


def write_with_write():
    with open('test12.txt', 'w') as fout:
        fout.writelines(i)


print(timeit.timeit(funct_write_with_print, number=1))
print(timeit.timeit(write_with_write, number=1))

result: 
print - 0.13328031099990767
writelines - 0.31055811799978983


import timeit

i = str([x for x in range(1000000)])
def funct_write_with_print():
    with open('test1.txt', 'w') as fout:
        print(i, file=fout)


def write_with_write():
    with open('test12.txt', 'w') as fout:
        fout.writelines(i)


print(timeit.timeit(funct_write_with_print, number=1))
print(timeit.timeit(write_with_write, number=1))

result: 
print - 0.0148353650001809
writelines - 1.7237431819994526


import timeit

i = str([x for x in range(1000000)])
def funct_write_with_print():
    with open('test1.txt', 'w+') as fout:
        print(i, file=fout)


def write_with_write():
    with open('test12.txt', 'w+') as fout:
        fout.write(i)

print(timeit.timeit(write_with_write, number=10))
print(timeit.timeit(funct_write_with_print, number=10))

results:
write - 0.20665896299942688
print - 0.20885446599913848