[Solved] What is wrong with this code?import numpy as np arr = np.array([[1, 2], [3, 4]]) mean_val = np.mean(arr, axis='0') print(mean_val) | NumPy

NumPy - Aggregation Functions

What is wrong with this code?

import numpy as np
arr = np.array([[1, 2], [3, 4]])
mean_val = np.mean(arr, axis='0')
print(mean_val)

AMissing import statement for numpy

BArray must be 1D to use np.mean()

Cnp.mean() cannot be used on 2D arrays

DAxis parameter should be an integer, not a string

Step-by-Step Solution

Solution:

Quick Trick: Axis must be int, not string [OK]

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What is wrong with this code?