title | type | language | tags | cover | excerpt | listed | dateModified | |
---|---|---|---|---|---|---|---|---|
Initialize 2D list |
snippet |
python |
|
succulent-7 |
Initializes a 2D list of given width and height and value. |
true |
2020-11-02 |
Initializes a 2D list of given width and height and value.
- Use a list comprehension and
range()
to generateh
rows 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]]