Q 3: Controlling a loop with user (contloop.py) Use while loop to write a program that prompt user every time to enter character (one letter only) or press 0 to terminate the program. At the end, the program should display the entered data. Sample Program Run (User input in bold) : Please enter a character or 0 to stop the program : z Enter Please enter a character or 0 to stop the program : x -Enter Please enter a character or 0 to stop the program : 0 Enter You have entered :

A __________ is commonly used to control the number of times that a loop iterates. a. counter variable b. test expression c. while clause d. controlled variable

True or False ___(4) In a while loop, the body of the loop has to be executed at least once whether the test is true or not.  ___(5) In Java a while loop can be changed to a for loop and vice versa. ___(6) Java statement !( x / 3 = = 6 ) ||  y*3 = = -6 ; evaluates to false if x=19 and y= -2

C programming: 11. Which type(s) of loop (for/do-while/while) would you use in each of the following situations? a)Asking the user if the program has guessed their number or not. b)Printing the name of each of the 36 students in the class. c)Asking the user for an unknown number of class grades. d)Counting how many times it takes the user toguess the program’s number. 12. How are the loops controlled (event or counter) in the following situations? a)Asking the user if the song is over. b)Counting how many times it takes the user to guess the program’s number. c)Asking the user to enter all 6 of their classwork grades to date. d)Printing the 16 steps of the Cupid Shuffle.