1. Draw a flowchart to let a user play 10rounds of head or tail guessing game. Display how many times the player has guessed the outcomes correctly.
2. Draw a flowchart to input a 4-digit integer number and then display the number backwards. Eg. 2468 and the display should be 8642.
3. Draw a flowchart to input an integer number and then determine if the number is a prime number.