Using strings:
1) Declare a string variable called x and assign it the value from a users input.
    then print "Hello." and the value of x.

2) Write a Python program to calculate and print the length of a string.

3) Write a Python program to count the number of characters
    (character frequency) in a string

4) Write a Python program which accepts the user's first and last name 
    and print them in reverse order with a space between them. 



Using numbers:
5) Write a Python program to sum all the items in a list

6) Write a Python program to get the largest number from a list

7) Write a Python program to get the smallest number from a list.

8) Write a Python program which accepts a sequence of comma-separated
    numbers from user and generate a list and a tuple with those numbers. 


extra credit:
9) Write a Python program to display the first and last colors from the
    following list.  color_list = ["Red","Green","White" ,"Black"]

10) Write a Python program that accepts an integer (n) and computes the value of 
     n *2, n *4, n *10.

11) Write a Python program to create the multiplication table (from 1 to 10)
     of a number.
