python 模块包裹
arlenmbx@arlenmbx-ThinkPad-X130e:~$ su root密码：
root@arlenmbx-ThinkPad-X130e:/home/arlenmbx# pythonPython 2.7.10 (default, Oct 14 2015, 16:09:02)
on linux2
Type "help", "copyright", "credits" or "license" for more information.>>> dic={'f1':1,'f2':2,'f3':3}>>> dic
{'f1': 1, 'f2': 2, 'f3': 3}>>> for key in dic:
... print dic
...
1
2
3
>>> print dic.keys()
['f1', 'f2', 'f3']>>> print dic.values()
>>> print dic.items()
[('f1', 1), ('f2', 2), ('f3', 3)]>>> dic.clear()>>> print dic
{}>>> type(dic)<type 'dict'>
>>> f=open("a.py","r+")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>IOError: No such file or directory: 'a.py'>>> f=open("a.txt","r+")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>IOError: No such file or directory: 'a.txt'>>> f=open("/home/arlenmbx/桌面/pro.txt","r+")>>> f.write("hello world")>>> f.close()>>> chmod 755 python
File "<stdin>", line 1
chmod 755 python ^SyntaxError: invalid syntax>>> exit()
root@arlenmbx-ThinkPad-X130e:/home/arlenmbx# chmod 755 b.pychmod: 无法访问"b.py": 没有那个文件或目录
root@arlenmbx-ThinkPad-X130e:/home/arlenmbx# cd /home/arlenmbx/桌面root@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# dira.pya.py~b.pyb.py~pro.txt
root@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# chmod 755 b.pyroot@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# ./b.pyhha
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root@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# import b as bb程序 'import' 已包含在下列软件包中： * imagemagick * graphicsmagick-imagemagick-compat
请尝试：apt-get install <选定的软件包>root@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# pythonPython 2.7.10 (default, Oct 14 2015, 16:09:02)
on linux2
Type "help", "copyright", "credits" or "license" for more information.>>> def f(a,b,c):
... print a
... print b
... print c
...
>>> f(1,2,3)1
2
3
>>> f(a=3,b=2,c=1)3
2
1
>>> print(c=1,b=3,a=2)
File "<stdin>", line 1 print(c=1,b=3,a=2) ^SyntaxError: invalid syntax>>> f(c=1,b=3,a=2)2
3
1
>>> def fun(*p):
... type(p)
... print p
...
>>> fun(1,2,3)
(1, 2, 3)>>> def fun(*p):
... print type(p)
... print p
... fun(1,2,3,4)
File "<stdin>", line 4
fun(1,2,3,4) ^SyntaxError: invalid syntax>>> fun(1,2,3,4)
(1, 2, 3, 4)>>> fun(1,2,4,3,4,5)
(1, 2, 4, 3, 4, 5)>>> def fun1(**p):
... print type(p)
... print p
...
>>> fun1(1,2,)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>TypeError: fun1() takes exactly 0 arguments (2 given)>>> fun1(1,2,3)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>TypeError: fun1() takes exactly 0 arguments (3 given)>>> fun1(a=1,b=2)<type 'dict'>{'a': 1, 'b': 2}>>>
>>> def fun2(a,b,c):
... print a
... print b
... print c
...
>>> t=(3,4,5)>>> fun2(*t)3
4
5
>>>
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