See Python array for more information.
Supported format codes:
b, B, h, H, i, I, l, L, q, Q, f, d (the latter 2 depending on the floating-point support).
Create array with elements of given type. Initial contents of the array are given by an iterable. If it is not provided, an empty array is created.
Append new element to the end of array, growing it.
Append new elements as contained in an iterable to the end of array, growing it.