python initialize two dimensional array code example
Example 1: python initialize a 2d array
x = [[foo for i in range(10)] for j in range(10)]
# x is now a 10x10 array of 'foo' (which can depend on i and j if you want)
Example 2: 2d array python initialize
[[element] * numcols] * numrows
Example 3: python initialize a 2d array
bar = [SOME EXPRESSION for item in some_iterable]