91影视

What is the output of the following code? ch = 'a' ch2 = ch.upper() print(ch, ch2)

Write a loop that asks the user 鈥淒o you want to repeat the program or quit? (R/Q)鈥�. The loop should repeat until the user has entered an R or Q (either uppercase or lowercase).

Write a loop that counts the number of uppercase characters that appear in the string referenced by the variable mystring.