密码 python
- [email protected]:~$ su root
- 密码: [email protected]:/home/arlenmbx# pythonPython 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)
- >>> f=open("a.py","r+")
- Traceback (most recent call last):
- File "", line 1, in IOError: [Errno 2] No such file or directory: 'a.py'>>> f=open("a.txt","r+")
- Traceback (most recent call last):
- File "", line 1, in 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 "", line 1
- chmod 755 python ^SyntaxError: invalid syntax>>> exit()
- [email protected]:/home/arlenmbx# chmod 755 b.pychmod: 无法访问"b.py": 没有那个文件或目录[email protected]:/home/arlenmbx# cd [email protected]:/home/arlenmbx/桌面# dira.py a.py~ b.py b.py~ pro.txt[email protected]:/home/arlenmbx/桌面# chmod 755 [email protected]:/home/arlenmbx/桌面# ./b.pyhha
- hha
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- hha
- hha
- hha[email protected]:/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>[email protected]:/home/arlenmbx/桌面# pythonPython 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 "", 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 "", 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 "", line 1, in TypeError: fun1() takes exactly 0 arguments (2 given)>>> fun1(1,2,3)
- Traceback (most recent call last):
- File "", line 1, in TypeError: fun1() takes exactly 0 arguments (3 given)>>> fun1(a=1,b=2){'a': 1, 'b': 2}>>>
- >>> def fun2(a,b,c):
- ... print a
- ... print b
- ... print c
- ...
- >>> t=(3,4,5)>>> fun2(*t)3
- 4
- 5
- >>>
python 模块包裹
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