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.