Returns a sequence self-concatenated specified amount of times.
A * N or N * A
the same as used as sequence operand
O(nk)
>>> "A" * 10 'AAAAAAAAAA' >>> [0, 1] * 2 [0, 1, 0, 1] >>> (0, 1) * 2 (0, 1, 0, 1)
#TODO