007_standard_lib_sys
#!/usr/bin/env python
# Author:liujun
#The standard library
import sys,time
print(sys.path) #The value of PATH which is a environment variable in python
print(sys.argv) #command line parammeters
print(sys.argv[0]) #the second command line parammeter
for i in range(100):
sys.stdout.write("#")
sys.stdout.flush()
time.sleep(0.1)
posted on 2018-09-03 14:36 langjitianyadaolao 阅读(67) 评论(0) 编辑 收藏 举报