import random
import sys

print(sys.argv[1])

# if __name__ == '__main__':
#     n = int(input('请输入你的随机码位数'))
#     randpass(n)

# a = random.random()* 100
# print(a)
# print(__name__)
#
# a, b = 10, 20
# print(a, b)
# a, b = b, a
# print(a, b)
#
# import keyword
# print(keyword.kwlist)
# print(len(keyword.kwlist))
# print('len is keyword:', keyword.iskeyword('len'))
