Python please: Prompt the user to enter a string of their choosing. Output the string. (1 pt) Ex:

Enter a sentence or phrase: The only thing we have to fear is fear itself. You entered: The only thing we have to fear is fear itself. 

(2) Complete the get_num_of_characters() function, which returns the number of characters in the user's string. We encourage you to use a for loop in this function. (2 pts)

(3) Extend the program by calling the get_num_of_characters() function and then output the returned result. (1 pt)

(4) Extend the program further by implementing the output_without_whitespace() function. output_without_whitespace() outputs the string's characters except for whitespace (spaces, tabs). Note: A tab is '\t'. Call the output_without_whitespace() function in main(). (2 pts)