#!/usr/bin/python3
# coding=utf-8

def concatenate_bytearray():
	global cycles

	i = 0
	starttime = time.time()
	bytes = bytearray()
	while i < cycles:
		bytes += bytearray(b'0')
		i += 1
	endtime = time.time()
	print('concatenate_bytearray()        : ' + str(format(endtime - starttime, 'f')))

def concatenate_bytes():
	global cycles

	i = 0
	starttime = time.time()
	bytes = b''
	while i < cycles:
		bytes += b'0'
		i += 1
	endtime = time.time()
	print('concatenate_bytes()            : ' + str(format(endtime - starttime, 'f')))

def concatenate_bytes_io():
	global cycles

	i = 0
	starttime = time.time()
	bytes = io.BytesIO(b'')
	while i < cycles:
		bytes.write(b'0')
		i += 1
	bytes = bytes.getvalue()
	endtime = time.time()
	print('concatenate_bytes_io()         : ' + str(format(endtime - starttime, 'f')))

def concatenate_bytes_join():
	global cycles

	i = 0
	starttime = time.time()
	bytes = b''
	while i < cycles:
		bytes.join(b'0')
		i += 1
	endtime = time.time()
	print('concatenate_bytes_join()       : ' + str(format(endtime - starttime, 'f')))

def concatenate_string():
	global cycles

	i = 0
	starttime = time.time()
	string = ''
	while i < cycles:
		string += '0'
		i += 1
	endtime = time.time()
	print('concatenate_string()           : ' + str(format(endtime - starttime, 'f')))

def concatenate_string_and_encode():
	global cycles

	i = 0
	starttime = time.time()
	string = ''
	while i < cycles:
		string += '0'
		i += 1
	bytes = string.encode()
	endtime = time.time()
	print('concatenate_string_and_encode(): ' + str(format(endtime - starttime, 'f')))

def concatenate_string_io():
	global cycles

	i = 0
	starttime = time.time()
	string = io.StringIO('')
	while i < cycles:
		string.write('0')
		i += 1
	string = string.getvalue()
	endtime = time.time()
	print('concatenate_string_io()        : ' + str(format(endtime - starttime, 'f')))

def concatenate_string_join():
	global cycles

	i = 0
	starttime = time.time()
	string = ''
	while i < cycles:
		string.join('0')
		i += 1
	endtime = time.time()
	print('concatenate_string_join()      : ' + str(format(endtime - starttime, 'f')))

import io, time

cycles = 200000
concatenate_string()
concatenate_bytes()
concatenate_bytearray()
concatenate_string_io()
concatenate_bytes_io()
concatenate_string_join()
#concatenate_bytes_join()
concatenate_string_and_encode()