range()
to generate h
rows where each is a list with length h
, initialized with val
.val
, to set the default value to None
.def initialize_2d_list(w, h, val = None): return [[val for x in range(w)] for y in range(h)]
initialize_2d_list(2, 2, 0) # [[0, 0], [0, 0]]
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