Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 26 2018, 23:26:24) 
[Clang 6.0 (clang-600.0.57)] on darwin
Type "copyright", "credits" or "license()" for more information.
>>> a = []
>>> a
[]
>>> b = [1]
>>> b
[1]
>>> c = [2, 1]
>>> c
[2, 1]
>>> b[0]
1
>>> b[1]
Traceback (most recent call last):
  File "<pyshell#7>", line 1, in <module>
    b[1]
IndexError: list index out of range
>>> c[1]
1
>>> c[2]
Traceback (most recent call last):
  File "<pyshell#9>", line 1, in <module>
    c[2]
IndexError: list index out of range
>>> a[0]
Traceback (most recent call last):
  File "<pyshell#10>", line 1, in <module>
    a[0]
IndexError: list index out of range
>>> s = "Hello"
>>> for i in range(5):
	print(s[i])

	
H
e
l
l
o
>>> for c in s:
	print(c)

	
H
e
l
l
o
>>> c
'o'
>>> a = [23, 32, 34, 45, 65, 66, 67, 99]
>>> a
[23, 32, 34, 45, 65, 66, 67, 99]
>>> for i in range(len(a)):
	print(a[i],end="**")

	
23**32**34**45**65**66**67**99**
>>> for x in a:
	print(x,end="**")

	
23**32**34**45**65**66**67**99**
>>> a
[23, 32, 34, 45, 65, 66, 67, 99]
>>> len(a)
8
>>> a[8]
Traceback (most recent call last):
  File "<pyshell#29>", line 1, in <module>
    a[8]
IndexError: list index out of range
>>> a
[23, 32, 34, 45, 65, 66, 67, 99]
>>> a.append(100)
>>> a
[23, 32, 34, 45, 65, 66, 67, 99, 100]
>>> a.insert(2,1000)
>>> a
[23, 32, 1000, 34, 45, 65, 66, 67, 99, 100]
>>> 34 in a
True
>>> 33 in a
False
>>> a.index(67)
7
>>> a.pop(99)
Traceback (most recent call last):
  File "<pyshell#38>", line 1, in <module>
    a.pop(99)
IndexError: pop index out of range
>>> a
[23, 32, 1000, 34, 45, 65, 66, 67, 99, 100]
>>> a.pop(0)
23
>>> a
[32, 1000, 34, 45, 65, 66, 67, 99, 100]
>>> len(a)
9
>>> a.pop(8)
100
>>> a
[32, 1000, 34, 45, 65, 66, 67, 99]
>>> a
[32, 1000, 34, 45, 65, 66, 67, 99]
>>> sum(a)
1408
>>> b = ["Cat", "dog", 99]
>>> sum(b)
Traceback (most recent call last):
  File "<pyshell#48>", line 1, in <module>
    sum(b)
TypeError: unsupported operand type(s) for +: 'int' and 'str'
>>> max(a)
1000
>>> a
[32, 1000, 34, 45, 65, 66, 67, 99]
>>> min(a)
32
>>> a
[32, 1000, 34, 45, 65, 66, 67, 99]
>>> a.sort()
>>> a
[32, 34, 45, 65, 66, 67, 99, 1000]
>>>