Explain the output of this code.

Question

What's the significance of * sign here ??

https://code.sololearn.com/ck3zcpDZFiP1/?ref=app

Answer 1

foo(1, 2)
a == 1
b == (2,)
a*b == 1*(2,) == (2,).

foo(2,2)
a == 2
b == (2,)
a*b == 2*(2,) == (2,2).

foo(1,2,3)
a == 1
b == (2,3)
a*b == 1*(2,3) == (2,3).

Answer 2

Diego Thx for that... I understand * sign. But sill I have confusion in output of code.. Can u explain it once ??

Answer 3

Tuple unpacking.
https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2485/