I didn't understand how the output was generated

Question

1.00/5 (1 vote)

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code:

import numpy as np
x=np.array([[1,2,3,5,6],[7,8,9,0,1],[3,7,0,7,6]])
print(x)
print(x[1:4,2:])

Output:

[[1 2 3 5 6]
[7 8 9 0 1]
[3 7 0 7 6]]

[[9 0 1]
[0 7 6]]

What I have tried:

I was just trying slicing can somebody explain the mechanism of this code

Posted 3-Jul-24 6:00am

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Richard MacCutchan · Accepted Answer · 2024-07-03T06:14:00

Solution 1

The second print statement

Python

print(x[1:4,2:])

instructs the system to print the array entries with index 1,2 and 3, selecting elements 2, 3, 4 ... etc. So if you examine the array x[1] is [7,8,9,0,1] and entries 2 to the end are 9,0 and 1. You can see the same for x[2].

Posted 3-Jul-24 6:14am

Richard MacCutchan