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Challenge: Practice More Methods from the NumPy Library

Explore NumPy array operations by writing programs to identify nonzero elements, generate identity matrices, find min/max in random arrays, and create chessboard patterns. This lesson develops practical skills in manipulating arrays and applying essential NumPy methods.

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Problem statement

Write a program to achieve the following tasks:

  1. Find indices of nonzero elements from [11, 22, 0, 0, 40, 50, 0].
  2. Create a 5 x 5 identity matrix.
  3. Create a 4 x 4 array with random values and find the minimum and maximum values.
  4. Create an 8 x 8 array and
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