! # / usr / bin / the env python
#__author: HLC
#date: 2019/6/8
# SYS module and the python interpreter interacts
# Import SYS
# Print (the sys.argv) # receive incoming parameters, a first for the file name, the second is passed in the first parameter
# DEF POST ():
# Print ( "the ok")
# DEF download ():
# Pass
# IF sys.argv [1] == "POST":
POST # ()
# elif the sys.argv [. 1] == "downloads":
# downloads ()
# perform python sys_module.py post / python sys_module.py download at the shell
# the sys.exit (0) to exit the program #
# print (sys.version) # python interpreter program to obtain the current version
# print (sys.path) # returns the search path module
# print (sys.platform) # returns the current platform name
# sys.stdout.write ( "please: \ n ") # is equivalent to print (" please: "); call is substantially sys.stdout.write (obj + '\ n'), Print when you print will automatically add a line break
# Val = sys.stdin.readline () [: - 1] # standard input, standard input all acquired, including the end of the '\ n-',
# Sys.stdin.readline () .strip ( '\ n') # wrap can be removed, corresponding to input