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write a python function that replaces the None values with the average from that column. example: def replace_with _mean(datalist): ........ returm [] replace_with _mean([['a', 'b'],
write a python function that replaces the None values with the average from that column.
example:
def replace_with _mean(datalist):
........
returm []
replace_with _mean([['a', 'b'], [1, -2], [-3, 4], [None, 6], [7, 8]])
output:
[1.6666666666666667, 4.0]
replace_with _mean([['e', 'f', 'g'], [None, 2, 3], [None, -4, -2], [None, 8, 9]])
output:
[None, 2.0, 3.333333333333333]
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