arlenmbx@arlenmbx-ThinkPad-X130e:~$ su root

密码：

root@arlenmbx-ThinkPad-X130e:/home/arlenmbx# python

Python 2.7.10 (default, Oct 14 2015, 16:09:02)

[GCC 5.2.1 20151010] 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[key]

...

1

2

3

>>> print dic.keys()

['f1', 'f2', 'f3']

>>> print dic.values()

[1, 2, 3]

>>> 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: [Errno 2] No such file or directory: 'a.py'

>>> f=open("a.txt","r+")

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

IOError: [Errno 2] 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.py

chmod: 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# dir

a.py  a.py~  b.py  b.py~  pro.txt

root@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# chmod 755 b.py

root@arlenmbx-ThinkPad-X130e:/home/arlenmbx/桌面# ./b.py

hha

hha

hha

hha

hha

hha

hha

hha

hha

hha

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# python

Python 2.7.10 (default, Oct 14 2015, 16:09:02)

[GCC 5.2.1 20151010] 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

>>>