zip 2 sequences into 1

[Neal Becker]

What's an easy/efficient way to zip together 2 (or more) sequences into a
single sequence?

I noticed zip builtin. This combines

a_0 ... a_n
b_0 ... b_n

into

(a_0 b_0)(a_1 b_1)...

What I want is a single sequence

a_0 b_0 a_1 b_1...

 

[George Yoshida]

What's an easy/efficient way to zip together 2 (or more) sequences into a
single sequence?

How about

itertools.chain(*zip(seq1, seq2, seq3, ...))

For example:
['a', 0, 'p', 'b', 1, 'y', 'c', 2, 't', 'd', 3, 'h', 'e', 4, 'o']