Data Analysis with Python - Numpy Operations

Python
1

Tell us what’s happening:

a = np.arange(5)
a + 20

the real answer is array([20, 21, 22, 23, 24]). not [0, 1, 2, 3, 4] there are a mistake i think

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Data Analysis with Python - Numpy Operations

2

It’s not a mistake, this has fooled many people and been brought up on the forum many times.

What is the value of a? a is never re-assigned.