Why does this equal 5, from a python challenge

Question

a=[4,5,6,7]
Print(a[True]
#output=5

Answer 1

True = 1, False = 0,
a[True] equivalent to a[1]
That's how you got 5 as the output : )

Answer 2

True is same 1

a[1] = 5

Answer 3

Nice i didn't realize that it counted as 1 thanks guys