Last login: Tue Oct 28 08:25:10 on ttys000
fantazja-2:~ wasylkowski$ cd python
fantazja-2:python wasylkowski$ python script.py
hello world
fantazja-2:python wasylkowski$ python
Python 2.6 (trunk:66714:66715M, Oct  1 2008, 18:36:04) 
[GCC 4.0.1 (Apple Computer, Inc. build 5370)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> print "hello world"
hello world
>>> 
fantazja-2:python wasylkowski$ python --version
Python 2.6
fantazja-2:python wasylkowski$ python
Python 2.6 (trunk:66714:66715M, Oct  1 2008, 18:36:04) 
[GCC 4.0.1 (Apple Computer, Inc. build 5370)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> 
>>> 
>>> 2 * 4
8
>>> 4 / 3
1
>>> 4.0 /3
1.3333333333333333
>>> 
>>> 
>>> x = 4.0
>>> y
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'y' is not defined
>>> y = 4
>>> y = "sdfjlsdfj"
>>> 
>>> str = "this is a string"
>>> str = 'this is a string'
>>> str = """this is a string"""
>>> 
>>> str "that's it"
  File "<stdin>", line 1
    str "that's it"
                  ^
SyntaxError: invalid syntax
>>> str = "that's it"
>>> str = '"lll"'
>>> str
'"lll"'
>>> "hello " "world"
'hello world'
>>> 
>>> "hello" + "world"
'helloworld'
>>> "ha" * 6
'hahahahahaha'
>>> str = "abcdefg"
>>> str
'abcdefg'
>>> str[4]
'e'
>>> str[0]
'a'
>>> str[0] = "w"
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'str' object does not support item assignment
>>> str[1:4]
'bcd'
>>> str[-1]
'g'
>>> str
'abcdefg'
>>> str[-2]
'f'
>>> str[-4:-2]
'de'
>>> str[1:100:2]
'bdf'
>>> l = [1, 2, 3, 4, 5]
>>> l
[1, 2, 3, 4, 5]
>>> l[1:100:2]
[2, 4]
>>> l[0:100:2]
[1, 3, 5]
>>> 
>>> l = [1, 2, 3.0, "str", [1,2,3],4]
>>> l
[1, 2, 3.0, 'str', [1, 2, 3], 4]
>>> l[2]
3.0
>>> l[3]
'str'
>>> 
>>> l * 5
[1, 2, 3.0, 'str', [1, 2, 3], 4, 1, 2, 3.0, 'str', [1, 2, 3], 4, 1, 2, 3.0, 'str', [1, 2, 3], 4, 1, 2, 3.0, 'str', [1, 2, 3], 4, 1, 2, 3.0, 'str', [1, 2, 3], 4]
>>> l
[1, 2, 3.0, 'str', [1, 2, 3], 4]
>>> l[3] = 19
>>> l
[1, 2, 3.0, 19, [1, 2, 3], 4]
>>> l[2:4] = []
>>> l
[1, 2, [1, 2, 3], 4]
>>> (1,2,3)
(1, 2, 3)
>>> x = (1,2,3)
>>> x
(1, 2, 3)
>>> a,b,c = x
>>> a
1
>>> b
2
>>> c
3
>>> x = set([1,2,3,4])
>>> y = set([3,4,5,6])
>>> x
set([1, 2, 3, 4])
>>> y
set([3, 4, 5, 6])
>>> x & y
set([3, 4])
>>> x | y
set([1, 2, 3, 4, 5, 6])
>>> x - y
set([1, 2])
>>> x ^ y
set([1, 2, 5, 6])
>>> 
>>> dict = {"john" : 2737, "alice" : 12}
>>> dict
{'john': 2737, 'alice': 12}
>>> dict["john"]
2737
>>> dict["john"] = 8
>>> dict
{'john': 8, 'alice': 12}
>>> dict[8] = 3.4
>>> dict
{8: 3.3999999999999999, 'john': 8, 'alice': 12}
>>> 
>>> x
set([1, 2, 3, 4])
>>> del x
>>> x
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'x' is not defined
>>> l
[1, 2, [1, 2, 3], 4]
>>> del l[1]
>>> l
[1, [1, 2, 3], 4]
>>> del dict["john"]
>>> dict
{8: 3.3999999999999999, 'alice': 12}
>>> l = [1,2,3,4,5]
>>> [x * x for x in l]
[1, 4, 9, 16, 25]
>>> [[x, 2 ** x] for x in l]
[[1, 2], [2, 4], [3, 8], [4, 16], [5, 32]]
>>> [str(round(355/113.0)) for i in range(1,5)]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'str' object is not callable
>>> del str>>> [str(round(355/113.0)) for i in range(1,5)]
['3.0', '3.0', '3.0', '3.0']
>>> [str(round(355/113.0, i)) for i in range(1,5)]
['3.1', '3.14', '3.142', '3.1416']
>>> [str(round(355/113.0, i)) for i in range(1,7)]
['3.1', '3.14', '3.142', '3.1416', '3.14159', '3.141593']
>>> 
>>> [str(round(355/113.0, i)) for i in range(1,30)]
['3.1', '3.14', '3.142', '3.1416', '3.14159', '3.141593', '3.1415929', '3.14159292', '3.14159292', '3.1415929204', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035', '3.14159292035']
>>> x = [
... [1, 2, 3],
... [4, 5, 6],
... [7, 8, 9]
... ]
>>> x
[[1, 2, 3], [4, 5, 6], [7, 8, 9]]
>>> [[row[i] for row in mat] for i in [0,1,2]]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'mat' is not defined
>>> [[row[i] for row in x] for i in [0,1,2]]
[[1, 4, 7], [2, 5, 8], [3, 6, 9]]
>>> >>> 
fantazja-2:python wasylkowski$ python script.py
> 4
done
fantazja-2:python wasylkowski$ python script.py
done
fantazja-2:python wasylkowski$ python script.py
fantazja-2:python wasylkowski$ python script.py
  File "script.py", line 3
    print "> 4"
        ^
IndentationError: expected an indented block
fantazja-2:python wasylkowski$ python script.py
> 4
done
fantazja-2:python wasylkowski$ python script.py
Enter a number: 8
small number
fantazja-2:python wasylkowski$ python script.py
Enter a number: 12
large number
fantazja-2:python wasylkowski$ python script.py
  File "script.py", line 2
    if x = 4:
         ^
SyntaxError: invalid syntax
fantazja-2:python wasylkowski$ python script.py
Enter a number: 5
fantazja-2:python wasylkowski$ python
Python 2.6 (trunk:66714:66715M, Oct  1 2008, 18:36:04) 
[GCC 4.0.1 (Apple Computer, Inc. build 5370)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> l = [1,2,3,4,5]
>>> for x in l:
...     print l
... 
[1, 2, 3, 4, 5]
[1, 2, 3, 4, 5]
[1, 2, 3, 4, 5]
[1, 2, 3, 4, 5]
[1, 2, 3, 4, 5]
>>> l = [1,2,3,4,5]
>>> for x in l:
...     print x
... 
1
2
3
4
5
>>> for x in range(0,10):
...     print x
... 
0
1
2
3
4
5
6
7
8
9
>>> for x in range(0,10,2):
...     print x
... 
0
2
4
6
8
>>> l
[1, 2, 3, 4, 5]
>>> for x in l:
...     l.append (2 ** x)
... 
^CTraceback (most recent call last):
  File "<stdin>", line 2, in <module>
KeyboardInterrupt
>>> for x in l[:]:
... 
KeyboardInterrupt
>>> l = [1,2,3,4,5]
>>> for x in l[:]:
...     l.append (2 ** x)
... 
>>> l
[1, 2, 3, 4, 5, 2, 4, 8, 16, 32]
>>> 
fantazja-2:python wasylkowski$ python script.py 
2 is prime
3 is prime
4 divides by 2
5 is prime
6 divides by 2
7 is prime
8 divides by 2
9 divides by 3
fantazja-2:python wasylkowski$ python script.py 
8
fantazja-2:python wasylkowski$ python
Python 2.6 (trunk:66714:66715M, Oct  1 2008, 18:36:04) 
[GCC 4.0.1 (Apple Computer, Inc. build 5370)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import script
8
>>> help (add)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'add' is not defined
>>> from script import *
>>> help (add)

>>> 
>>> help (list.append)

>>> help (list)

>>> 
>>> 
>>> g = 10
>>> def f ():
...     g = 8
... 
>>> g
10
>>> f()
>>> g
10
>>> def ():
  File "<stdin>", line 1
    def ():
        ^
SyntaxError: invalid syntax
>>> def f ():
...     global g
...     g = 8
... 
>>> f()
>>> g
8
>>> f
<function f at 0xb594b0>
>>> f()
>>> None
>>> x = f()
>>> x
>>> print x
None
>>> 
>>> def f (x, y = 8):
...     return x + y
... 
>>> f (10)
18
>>> f\
... 
<function f at 0xbb1f70>
>>> f
<function f at 0xbb1f70>
>>> def f (x, y):
...     return x + y
... 
>>> def apply (fun, x, y):
...     fun (x, y)
... 
>>> apply (f, 2, 4)
>>> 
>>> def apply (fun, x, y):
...     return fun (x, y)
... 
>>> apply (f, 2, 4)
6
>>> 
>>> lambda x : x + 2
<function <lambda> at 0xbb1f70>
>>> def apply (f, x):
...     return f (x)
... 
>>> apply (lambda x : x + 2, 8)
10
>>> 
>>> def f (*args):
...     print args
... 
>>> f (1,2,3,4)
(1, 2, 3, 4)
>>> f (1,2, "fsdlfkj")
(1, 2, 'fsdlfkj')
>>> def addtocache (x, cache = []):
...     cache.append (x)
...     print cache
... 
>>> cache = [1,2]
>>> addtocache (8, cache)
[1, 2, 8]
>>> addtocache ("str", cache)
[1, 2, 8, 'str']
>>> addtocache ("str")
['str']
>>> addtocache (8)
['str', 8]
>>> 
>>> def addtocache (x, cache = None):
...     if cache == None:
...             cache = []
... 
>>> 
>>> 
>>> def f (x):
...     return x
... 
>>> f
<function f at 0xb59470>
>>> f (7)
7
>>> def f(x, y):
...     return x + y
... f
  File "<stdin>", line 3
    f
    ^
SyntaxError: invalid syntax
>>> def f(x, y):
...     return x + y
... 
>>> f
<function f at 0xbb1f70>
>>> f(2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: f() takes exactly 2 arguments (1 given)
>>> f
<function f at 0xbb1f70>
>>> t = f
>>> t(2, 4)
6
>>> True
True
>>> False
False
>>> not True
False
>>> del t
>>> f
<function f at 0xbb1f70>
>>> reload (script)
<module 'script' from 'script.py'>
>>> A
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'A' is not defined
>>> A = script.A
>>> A
<class script.A at 0x97ea0>
>>> A.i
12345
>>> A.l = 8
>>> A
<class script.A at 0x97ea0>
>>> A.l
8
>>> del A.i
>>> A
<class script.A at 0x97ea0>
>>> A.i
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: class A has no attribute 'i'
>>> a = A()
>>> a.f(8)
<script.A instance at 0x8f328> 8
>>> A.f
<unbound method A.f>
>>> A.f (2, 3)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: unbound method f() must be called with A instance as first argument (got int instance instead)
>>> A.f (A(), 3)
<script.A instance at 0xbaefa8> 3
>>> def g (self):
...     print self
... 
>>> A.t = g
>>> a = A()
>>> a.t()
<script.A instance at 0xbaefa8>
>>> a1 = A()
>>> a2 = A()
>>> a1.f(2)
<script.A instance at 0x8f328> 2
>>> a2.f(2)
<script.A instance at 0xbaeeb8> 2
>>> A.f(a1, 2)
<script.A instance at 0x8f328> 2
>>> reload (script)
<module 'script' from 'script.py'>
>>> A = script.A
>>> new A()
  File "<stdin>", line 1
    new A()
        ^
SyntaxError: invalid syntax
>>> a = A()
>>> a.i
8
>>> A.i
12345
>>> 
>>> a.f
<bound method A.f of <script.A instance at 0x8f2d8>>
>>> x = a.f
>>> x(2)
<script.A instance at 0x8f2d8> 2
>>> 
fantazja-2:python wasylkowski$ python script.py
Enter: 9
OK
Always happens
fantazja-2:python wasylkowski$ python script.py
Enter: sdjfk
Wrong!
Always happens
fantazja-2:python wasylkowski$ python script.py
Enter: ^CWrong!
Always happens
fantazja-2:python wasylkowski$ python script.py
Wrong!
Always happens
fantazja-2:python wasylkowski$ python script.py
Enter: sdfg
Wrong! invalid literal for int() with base 10: 'sdfg'
Always happens
fantazja-2:python wasylkowski$ ls
p1
fantazja-2:python wasylkowski$ python
Python 2.6 (trunk:66714:66715M, Oct  1 2008, 18:36:04) 
[GCC 4.0.1 (Apple Computer, Inc. build 5370)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> dir (sys)
['__displayhook__', '__doc__', '__excepthook__', '__name__', '__package__', '__stderr__', '__stdin__', '__stdout__', '_clear_type_cache', '_current_frames', '_getframe', 'api_version', 'argv', 'builtin_module_names', 'byteorder', 'call_tracing', 'callstats', 'copyright', 'displayhook', 'dont_write_bytecode', 'exc_clear', 'exc_info', 'exc_type', 'excepthook', 'exec_prefix', 'executable', 'exit', 'flags', 'float_info', 'getcheckinterval', 'getdefaultencoding', 'getdlopenflags', 'getfilesystemencoding', 'getprofile', 'getrecursionlimit', 'getrefcount', 'getsizeof', 'gettrace', 'hexversion', 'maxint', 'maxsize', 'maxunicode', 'meta_path', 'modules', 'path', 'path_hooks', 'path_importer_cache', 'platform', 'prefix', 'ps1', 'ps2', 'py3kwarning', 'setcheckinterval', 'setdlopenflags', 'setprofile', 'setrecursionlimit', 'settrace', 'stderr', 'stdin', 'stdout', 'subversion', 'version', 'version_info', 'warnoptions']
>>> sys.version
'2.6 (trunk:66714:66715M, Oct  1 2008, 18:36:04) \n[GCC 4.0.1 (Apple Computer, Inc. build 5370)]'
>>> 
>>> ls
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'ls' is not defined
>>> import p1.s1.m1.add
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named p1.s1.m1.add
>>> import p1
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named p1
>>> import p1
>>> import p1.s1
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named s1
>>> import p1.s1
>>> import p1.s1.m1
>>> import p1.s1.m1.add
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named add
>>> import p1.s1.m1
>>> p1.s1.m1.add (2, 3)
5
>>> from p1.s1.m1 import add
>>> add (2,3)
5
>>> from p1.s1.m1 import *
>>> add (2,3)
5
>>> from p1 import *
>>> dir (p1)
['__builtins__', '__doc__', '__file__', '__name__', '__package__', '__path__', 's1']
>>> s1
<module 'p1.s1' from 'p1/s1/__init__.py'>
>>> from script import *
>>> A
<class script.A at 0x8e5a0>
>>> A.f
<unbound method A.f>
>>> A.__g
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: class A has no attribute '__g'
>>> dir (A)
['_A__g', '__doc__', '__module__', 'f']
>>> A._A__g
<unbound method A.__g>
>>> A()._A__g()
g
>>> help (A)

>>>