>>> print 4
4
>>> print 2+2+2
6
>>> print "1"*3
111
>>> print 'print'*3
printprintprint
>>> test='test'
>>> test[0]
't'
>>> print test[0]
t
>>> pythagoras = 'There is geometry in the humming of the strings'
>>> print pythagoras.find('There')
0
>>> print pythagoras.find('string')
40
>>> print pythagoras[40:]
strings
>>> print pythagoras[20:]
the humming of the strings
>>> print pythagoras[30:]
ng of the strings
>>> print pythagoras[35:]
the strings
>>> print pythagoras.find('geometry')
9
>>> print pythagoras[9:]
geometry in the humming of the strings
>>> pythagoras = pythagoras + ' test'
>>> print pythagoras
There is geometry in the humming of the strings test
>>> pythagoras = pythagoras + 'test is the test of test'
>>> print pythagoras.find('test',1)
47
>>> print pythagoras[47:]
testtest is the test of test
>>> print pythagoras.find('test',0)
47
>>> print pythagoras.find('test',48)
51
>>> def inc(n):
... return n+1
...
>>> inc(5)
6
>>> print 2<3
True
>>> print 2>3
False
>>> def absolute(x):
... if x<0:
... x=-x
... return x
...
>>> absolute(5)
5
>>> absolute(-5)
5
>>> i=1
>>> while i!=10:
... i=i+1
... print i
...
2
3
4
5
6
7
8
9
10
>>> def get_next_target(page):
... start_link = page.find('<a href=')
... start_quote = page.find('"', start_link)
... end_quote = page.find('"', start_quote + 1)
... url = page[start_quote + 1:end_quote]
... return url, end_quote
...
>>> url, endpos = get_next_target('good')
>>> print url
goo
b/c the value is -1
