I have the list of lists (that contains tuples):
mylist = [[0, ('a',3), ('b',4), ('c',5)], [1, ('a',2), ('d',7), ('e',6)], [2, ('b',1), ('a',2), ('d',3)]]
I would like to convert it to a long data frame. My expected output:
v1 v2 v3
0 a 3
0 b 4
0 c 5
1 a 2
1 d 7
1 e 6
2 b 1
2 a 2
2 d 3