Lab 9 warmup

1. Write a program that asks the user to enter a string less than 25 characters long and prints the first letter in the string and how many characters are in the string.

Example:

Enter string:  magic
The first letter is m and the string is 5 characters long.


2. Write a program that asks the user to enter a string less than 25 characters long and prints the letters in reverse order.

Example:

Enter string:  magic
cigam


3. Write a program that declares a string named sentinel to be declared with the value "quit".  Then write a loop that reads strings from the user until the sentinel value is encountered.

Example:
ready
quilt
quitting
quit