[1,2,3]
[1,2,3]
[1,2,5]
['1212','sef','343r4']
['1212','sef','343r4']
['1212','sef','343r4','232']
[1,2,3]
[21]
['a','b','c']
['123']
[['1212'],['sef'],['343r4']]
[(1,2),(1,3),(1,5)]
0