PyCrust 0.9.5 - The Flakiest Python Shell

Python 2.4.3 (#69, Mar 29 2006, 17:35:34) [MSC v.1310 32 bit (Intel)] on win32

Type "help", "copyright", "credits" or "license" for more information.

>>> filein=open("dh6180.csv","r")

>>> fileout=open("out.csv","w")

>>> while (1):

...     a=filein.readline()

...     if len(a)==0 : break

...     

>>> a

''

>>> filein.rewind()

Traceback (most recent call last):

  File "<input>", line 1, in ?

AttributeError: 'file' object has no attribute 'rewind'

>>> 

>>> filein=open("dh6180.csv","r")

>>> while (1):

...     a=filein.readline()

...     if len(a)==0 : break

...     

>>> 

>>> 

>>> a="10 20 30 40"

>>> a.split()

['10', '20', '30', '40']

>>> b=[int(i) for i in a.split()]

>>> b

[10, 20, 30, 40]

>>> a="# This is a test"

>>> b=[int(i) for i in a.split()]

Traceback (most recent call last):

  File "<input>", line 1, in ?

ValueError: invalid literal for int(): #

>>> a="  test\n"

>>> a

'  test\n'

>>> a.strip()

'test'

>>> [0]*26

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

>>> [0 for i in range(26)]

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

>>> range(26)*0

[]

>>> ab="abcdefghjiklmnopqrstuvwxyz"

>>> len(ab)

26

>>> ab.index("f")

5

>>> ord("f")

102

>>> ord("a")

97

>>> ord("f")-ord("a")

5

>>> ord("1")

49

>>> ord("&")

38

>>> def countletters(word):

...     word=word.lower()

...     ret=[0]*26

...     for i in word:

...         n=ord(i)-97

...         if (n>=0 and n<26) : ret[n]+=1

...     return ret

...     

>>> countletters("Steve Ludtke")

[0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 2, 1, 1, 0, 0, 0, 0]

>>> countletters("Steve Ludtke")==countletters("test")

False

>>> countletters("Steve Ludtke")==countletters("evets ektdul")

True

>>> a=[1,3,4,5]

>>> b=[1,3,5,6]

>>> a

[1, 3, 4, 5]

>>> b

[1, 3, 5, 6]

>>> for i in range(4):

...     if a[i]>=b[i] : break

...     else: print "ok"

...     

>>> for i in range(4):

...     if a[i]>=b[i] : break

... else: print "ok"

...     

>>> 

>>> for i in range(4):

...     if a[i]>=b[i] : break

... else: print "ok"

...     

>>> for i in range(4):

...     if a[i]>b[i] : break

... else: print "ok"

...     

ok

>>> zip(a,b)

[(1, 1), (3, 3), (4, 5), (5, 6)]

>>> def countletters(word):

...     word=word.lower()

...     ret=[0]*26

...     for i in word:

...         n=ord(i)-97

...         if (n>=0 and n<26) : ret[n]+=1

...     return ret

...     

>>> filein=open("linux.words","r")

... words=filein.readlines()

... words=[i.strip() for i in words if len(i)<=len(letters)+1]

>>> words

Traceback (most recent call last):

  File "<input>", line 1, in ?

NameError: name 'words' is not defined

>>> filein=open("linux.words","r")

>>> words=filein.readlines()

>>>