Listenelemente werden nicht wie erwartet ausgegeben?

ich@rechner:~$ python
Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56) 
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> list = [ 'abcd', 786 , 2.23, 'john', 70.2 ]
>>> tinylist = [123, 'john']
>>> 
>>> print list          # Prints complete list
['abcd', 786, 2.23, 'john', 70.200000000000003]
>>> print list       # Prints first element of the list
abcd
>>> print list[1:3]     # Prints elements starting from 2nd to 4th - Hier müsste eben das 4. Element 'john' auch noch stehen!
[786, 2.23]
>>> print list[2:]      # Prints elements starting from 3rd element
[2.23, 'john', 70.200000000000003]

>>> print list[3]
john
>>> print list[4]
70.2
>>> print list[5]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
IndexError: list index out of range
>>> print list[3:5]
['john', 70.200000000000003]
>>> print list[3:4]
['john']
>>> print list[4]
70.2
>>> print list[3]
john
>>> print list[2:3]
[2.23]
>>> print list[4:5]
[70.200000000000003]