::
>>> # Measure some strings:
- ... words = ['cat', 'window', 'defenestrate']
+ >>> words = ['cat', 'window', 'defenestrate']
>>> for w in words:
... print(w, len(w))
...
... print()
...
>>> # Now call the function we just defined:
- ... fib(2000)
+ >>> fib(2000)
0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597
.. index::
>>> t
(12345, 54321, 'hello!')
>>> # Tuples may be nested:
- ... u = t, (1, 2, 3, 4, 5)
+ >>> u = t, (1, 2, 3, 4, 5)
>>> u
((12345, 54321, 'hello!'), (1, 2, 3, 4, 5))
>>> # Tuples are immutable:
- ... t[0] = 88888
+ >>> t[0] = 88888
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'tuple' object does not support item assignment
>>> # but they can contain mutable objects:
- ... v = ([1, 2, 3], [3, 2, 1])
+ >>> v = ([1, 2, 3], [3, 2, 1])
>>> v
([1, 2, 3], [3, 2, 1])
False
>>> # Demonstrate set operations on unique letters from two words
- ...
+ >>>
>>> a = set('abracadabra')
>>> b = set('alacazam')
>>> a # unique letters in a
>>> print(s)
The value of x is 32.5, and y is 40000...
>>> # The repr() of a string adds string quotes and backslashes:
- ... hello = 'hello, world\n'
+ >>> hello = 'hello, world\n'
>>> hellos = repr(hello)
>>> print(hellos)
'hello, world\n'
>>> # The argument to repr() may be any Python object:
- ... repr((x, y, ('spam', 'eggs')))
+ >>> repr((x, y, ('spam', 'eggs')))
"(32.5, 40000, ('spam', 'eggs'))"
The :mod:`string` module contains a :class:`~string.Template` class that offers