[Tutor] smarter way of looping

[Elderely Geek]

Hi,
I`m a python newbie and could use some help.

I often do a loop over arbitrary number of sequences. I do it like this:

for elem1 in seq1:
    for elem2 in seq2:
        do whatever seq1,seq2

this isn`t nice I think. Is there some way I can say
myiterator=geniousfunction(seq1,seq2,seq3)

and then myiterator.next()  and have it return the corresponding elemnts
from all sequences like if

seq1 = ['a','b']
seq2 = [1,2]

I could get

a 1
a 2
b 1
b 2

also, how do you loop over all the elements that can be returned by
myiterator?
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