sum of a column in pandas
Total = df['MyColumn'].sum()
print (Total)
319sum of a column in pandas
Total = df['MyColumn'].sum()
print (Total)
319python how to sum columns of an array
# Example usage 1:
import numpy as np
numpy_array = np.array([[1, 2, 3, 4, 5],
[1, 2, 3, 4, 5],
[1, 2, 3, 4, 5]])
np.sum(numpy_array, axis=0)
--> array([ 3, 6, 9, 12, 15])
# Example usage 2 (without numpy):
array = [[1, 2, 3, 4, 5],
[1, 2, 3, 4, 5],
[1, 2, 3, 4, 5]]
[sum(x) for x in zip(*array)]
--> [3, 6, 9, 12, 15]python column = sum of list of columns
list_of_my_columns = ['Col A', 'Col E', 'Col Z']
df['Sum'] = df[list_of_my_columns].sum(axis=1)Copyright © 2021 Codeinu
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