Sharpen

Source: https://www.w3resource.com/python-exercises/numpy/numpy_100_exercises_with_solutions.php

Exercise 1:#

Create a 1D array with values ranging from 0 to 9.

Exercise 2:#

Convert a 1D array to a 2D array with 2 rows.

Exercise 3:#

Multiply a 5x3 matrix by a 3x2 matrix.

Exercise 4:#

Extract all odd numbers from an array of 1-10.

Exercise 5:#

Replace all odd numbers in an array of 1-10 with -1.

Source: https://www.w3resource.com/python-exercises/pandas/pandas_100_exercises_with_solutions.php

Exercise 1:#

Create a DataFrame from a dictionary of lists.

Exercise 2:#

Select the first 3 rows of a DataFrame.

Exercise 3:#

Select the ‘X’ column from a DataFrame.

Exercise 4:#

Filter rows based on a column condition.

Exercise 5:#

Add a new column to an existing DataFrame.

Exercise 6:#

Remove a column from a DataFrame.