initialize_2d_list python Code Snippet in 2024
listintermediate
Last Updated: 18 December 2024
Initializes a 2D list of given width and height and value.
- Use a list comprehension and
range()to generatehrows where each is a list with lengthh, initialized withval. - Omit the last argument,
val, to set the default value toNone.
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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