python 输入参数解包，模块导入，接收IO输入参数

#coding=utf-8

from sys import argv
script,first,second,third = argv

print "the script is=",script
print "the first is=",first
print "the second is=",second
print "the third is=",third

"""
执行方法
    D:\>python heidpython02.py aa bb cc
    the script is= heidpython02.py
    the first is= aa
    the second is= bb
    the third is= cc
"""

"""
参数少于三个
D:\>python heidpython02.py aa bb
Traceback (most recent call last):
  File "heidpython02.py", line 4, in <module>
    script,first,second,third = argv
ValueError: need more than 3 values to unpack
"""

"""
超出三个参数
D:\>python heidpython02.py aa bb 66 88
Traceback (most recent call last):
  File "heidpython02.py", line 4, in <module>
    script,first,second,third = argv
ValueError: too many values to unpack
"""

#####################
#接收用户输入
#####################
print "you name is ?"
name=raw_input()
print "how old are you?"
age=raw_input()

print "name:",name,"age:",age