Python 3.4.4 (v3.4.4:737efcadf5a6, Dec 20 2015, 20:20:57) [MSC v.1600 64 bit (AMD64)] on win32
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>>> ================================ RESTART ================================
#List operations

>>> l = [1,2,3, "a"]
>>> l[3]
'a'
>>> l[-1]
'a'
>>> l[-2]
3
>>> l[4]
Traceback (most recent call last):
  File "<pyshell#4>", line 1, in <module>
    l[4]
IndexError: list index out of range
>>> l[1:2]
[2]
>>> l[1:3]
[2, 3]
>>> l2 = [-2,5]
>>> l + l2
[1, 2, 3, 'a', -2, 5]
>>> l
[1, 2, 3, 'a']
>>> l = l+l2
>>> l
[1, 2, 3, 'a', -2, 5]
>>> l = l + [["b"]]
>>> l
[1, 2, 3, 'a', -2, 5, ['b']]
>>> type('a')
<class 'str'>
>>> type("a")
<class 'str'>
>>> l[-1][0]
'b'
>>> l[-1]
['b']
>>> l[-1][0][0]
'b'
>>> l[-1][0][1]
Traceback (most recent call last):
  File "<pyshell#19>", line 1, in <module>
    l[-1][0][1]
IndexError: string index out of range
>>> l = [1,2,3]
>>> sum(l)
6
>>> l = [1,2,3, 'a']
>>> sum(l)
Traceback (most recent call last):
  File "<pyshell#23>", line 1, in <module>
    sum(l)
TypeError: unsupported operand type(s) for +: 'int' and 'str'
>>> len(l)
4
>>> l = [3,2,5,4]
>>> l.sort()
>>> l
[2, 3, 4, 5]
>>> l = [3,2,5,4]
>>> sorted(l)
[2, 3, 4, 5]
>>> l
[3, 2, 5, 4]
>>> l = [1,2,3, 'a']
>>> sorted(l)
Traceback (most recent call last):
  File "<pyshell#32>", line 1, in <module>
    sorted(l)
TypeError: unorderable types: str() < int()
>>> l = ['b', 'a']
>>> sorted(l)
['a', 'b']
>>> l
['b', 'a']
>>> l.append('c')
>>> l
['b', 'a', 'c']
>>> l.extend(['c'])
>>> l
['b', 'a', 'c', 'c']
>>> l.append(['c'])
>>> l
['b', 'a', 'c', 'c', ['c']]
>>> l.extend('c')
>>> l
['b', 'a', 'c', 'c', ['c'], 'c']
>>> l.extend(1)
Traceback (most recent call last):
  File "<pyshell#44>", line 1, in <module>
    l.extend(1)
TypeError: 'int' object is not iterable
>>> l.extend('c', 2)
Traceback (most recent call last):
  File "<pyshell#45>", line 1, in <module>
    l.extend('c', 2)
TypeError: extend() takes exactly one argument (2 given)
>>> 
>>> ================================ RESTART ================================
#Change lists

>>>
>>> lst = [1,2,3,4]
>>> for i in range(len(lst)):
	lst[i] = 5

	
>>> lst
[5, 5, 5, 5]
>>>
>>> lst = [1,2,3,4]
>>> for e in lst:
	e = 5

	
>>> lst
[1, 2, 3, 4]

>>> ================================ RESTART ================================
#List comprehensions

>>> 
>>> l = [1,2,3,4,5]
>>> l2 = [2*x for x in l if x > 3]
>>> l2
[8, 10]
>>> l2 = [True for x in l if x > 3]
>>> l2
[True, True]
>>> l2 = [4 for x in l if x > 3]
>>> l2
[4, 4]

>>> ================================ RESTART ================================
#Short circuit evaluation

>>> 
>>> True and 3//0
Traceback (most recent call last):
  File "<pyshell#15>", line 1, in <module>
    True and 3//0
ZeroDivisionError: integer division or modulo by zero
>>> False and 3//0
False
>>>