for

#!/usr/bin/python
# -*- coding: UTF-8 -*-

l = [1,2,3,4,5]
p = []
for i in range(len(l)):    
    p.append(l[i])
print p

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

""""""

"""
[:]

"""

a = [1,2,3]
b = a[:]
print b       # ab ab
[1, 2, 3]
a = [1,2,3]
b = a
print b       # ab ab
[1, 2, 3]
a = [1,2,3]
b = a[:]
print b
a[0] = 0
print a        # ab ab
print b
[1, 2, 3]
[0, 2, 3]
[1, 2, 3]
a = [1,2,3]
b = a
print b
a[0] = 0
print a         # ab ab
print b

# -*- coding: UTF-8 -*-
#
a = [1,2,3,4,5,6,7,8,9]
b = a*1
print(b)

>>> import copy
>>> a = [1,2,3,4,5]
>>> b = ["A","B",a]
>>> #
>>> c = b[:]
>>> c
['A', 'B', [1, 2, 3, 4, 5]]
>>> a[0] = 11
>>> c
['A', 'B', [11, 2, 3, 4, 5]]
>>> #ac
>>> #
>>> c = copy.deepcopy(b)
>>> c
['A', 'B', [11, 2, 3, 4, 5]]
>>> a[0] = 111
>>> a
[111, 2, 3, 4, 5]
>>> c
['A', 'B', [11, 2, 3, 4, 5]]
>>> #ca
>>>