I have Numpy array:
[[12 13 14],[15 16 17],[18 19 20]]
How do I get this
[[12, 13, 14], [15, 16, 17],[18 ,19, 20]]
When you see a numpy array printed without commas, you are just looking at its string representation. If you want it printed with commas, you could convert it to a Python list:
In [45]: print(arr)
[[12 13 14]
[15 16 17]
[18 19 20]]
In [46]: arr_list = arr.tolist()
In [47]: print(arr_list)
[[12, 13, 14], [15, 16, 17], [18, 19, 20]]
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