Python numpy delete doesn t work

Introduction:
Prerequisites:
Before you get started, make sure you have NumPy installed. You can install it using pip:
Example 1: Deleting an Element from a 1D Array
Example 2: Deleting a Row or Column from a 2D Array
Example 3: Deleting Multiple Elements from a 1D Array
Example 4: Deleting Multiple Rows/Columns from a 2D Array
Conclusion:
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