Assignment 1 
Plot the sine curve and vary its frequency using the @interact 

Assignment 2
 Take a string as input from user and circular shift it to the left and vary the shift length using a slider. 

Assignment 3
Which default argument, when used with @interact gives a slider starting at 0 and ending in 10.

        (0..11)
        range(0, 11)
        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
        (0..10)

What is the input widget resulted by using n = [2, 4, 5, 9] in the default arguments along with @interact.

    input field
    set of buttons
    slider
    None