Simple test of string concatenation strategies

string_concat_timings.py

import timeit

loop_count = 100


def concat_strings():
	out_str = ""
	for num in range(loop_count):
		out_str += str(num)
	return out_str


def join_strings():
	out_array = []
	for num in range(loop_count):
		out_array.append(str(num))
	return "".join(out_array)


print(f"concat_strings run time: {timeit.timeit(concat_strings)}s")
print(f"join_strings run time: {timeit.timeit(join_strings)}s")