import itertools
print list(itertools.permutations([1,2,3]))
print list(itertools.permutations([1,2,3]))
* ** *** **** *****
*
**
***
****
*****
1
232
34543
4567654
567898765
11234 5678 9012 3456 7890
*
* *
* * *
* * * *
* *
* * * * * *
* * * * * * * * * *
* * * * * * * * * * *
* *
* *
* * * *
* * * *
* * * * *
* * * *
* * * *
* *
* *
* * * * *
* * * *
* * *
* *
*
* *
* * *
* * * *
* * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* *
* * *
* * * *
* * *
* *
*
* * * * * * * * *
* * * * * * * *
* * * * * *
* * * *
* *
* * * *
* * * * * *
* * * * * * * *
* * * * * * * * *
* * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * *
* * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
*
* * *
* * * * *
* * * * * * *
* *
* * * *
* * * * * *
* * * * * * *
* * * * * *
* * * *
* *
* * * * * * *
* * * * *
* * *
*
* * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * *
* * * * * *
* * * * * *
* * *
* * * * * *
* * * * * *
* * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * *
5
5 4
5 4 3
5 4 3 2
5 4 3 2 1
333
22
1
1 22 333 4444 55555
1 2 3 4 5
2 3 4 5
3 4 5
4 5
5
*
* *
* *
* *
* *
1
01
101
0101
10101
1
1 0
0 1 0
0 1 0 1
1 0 1 0 1
# # # # #
# # # #
# # #
# #
#
55555
54444
54333
54322
54321
import module
def my_function():
# code here
x = my_function()
import module
def my_function():
# code here
def main():
x = my_function()
# the program starts from here
main()
import module
def my_function():
# code here
def main():
x = my_function()
# the program starts from here
if __name__ == "__main__":
main()
>>> dict_1 = {1: 'a', 2: 'b', 3: 'c'}
>>> dict_2 = {4: 'd', 5: 'e', 6: 'f'}
>>> dict_1
{1: 'a', 2: 'b', 3: 'c'}
>>> dict_2
{4: 'd', 5: 'e', 6: 'f'}
>>> dict_1.update(dict_2)
>>> dict_2
{4: 'd', 5: 'e', 6: 'f'}
>>> dict_1
{1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e', 6: 'f'}
>>>