import string
import random
import timeit
from timeit import Timer
def random_string(length=16):
rule = string.ascii_letters + string.digits
char_list = random.sample(rule, length)
return ''.join(char_list)
def random2():
char = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
res = ''
for i in range(16):
res += random.choice(char)
return res
t1=Timer("random_string()","from __main__ import random_string").timeit(100000)
t2=Timer("random2()","from __main__ import random2").timeit(100000)
print(t1)
print(t2)
