6.9. Chapter 6 Exercises

1. There are errors in the indention in the following code. Fix it to work correctly without errors.

   def square(turtle): turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) from turtle import * # use the turtle library space = Screen() # create a turtle screen malik = Turtle() # create a turtle named malik square(malik) # draw a square with malik

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2. Fix the errors so it runs and returns the perimeter of a rectangle.

   def recPerimeter(length, width) perimeter = 2 * (length + width) Return recPerimeter print(recPerimeter(2,4))

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3. There are 2 syntax errors in the following code. Fix the errors so that it runs.

   def square(turtle) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) from turtle import * # use the turtle library space = Screen() # create a turtle screen malik = Turtle() # create a turtle named malik square() # draw a square with malik

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4. Fix the errors so the code runs and returns the area of a square.

   x = squareArea(5) Def squareArea(sideLength): area = length * length return area print(x)

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5. The following code has 4 syntax errors. Fix the errors so that the code runs.

   def square(turtle,size): turtle.forward(size) turtle.right(90) turtle.forward(size) turtle.right(90) turtle.forward(size) turtle.right(90) turtle.forward(size) turtle.right(90) from turtle import * # use the turtle library space = Screen() # create a turtle screen (space) malik = Turtle() # create a turtle named malik square(Malik, 100) # draw a square of size 100 square(Malik, 75) # draw a square of size 75 square(Malik, 50) # draw a square of size 50 square(Malik, 25) # draw a square of size 25

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6. Change the code to take 3 parameters, a turtle, a size that tells it how far to go, and an angle it tells the turtle to turn.

   def move(turtle): turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) from turtle import * space = Screen() t = Turtle() move(t, 100, 90)

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7. The following code has three lines that need to be changed. Fix the code to run correctly.

   def square(turtle,size): turtle.forward(size) turtle.right(90) turtle.forward(size) turtle.right(90) turtle.forward(size) turtle.right(90) turtle.forward(size) turtle.right(90) from turtle import * # use the turtle library space = Screen() # create a turtle screen (space) malik = Turtle() # create a turtle named malik square(100, malik) # draw a square of size 100 square(malik) # draw a square of size 75 square(50) # draw a square of size 50 square(malik, 25) # draw a square of size 25

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8. Fix the errors so it prints "My name is John and I am 18 years old".

   def nameAndAge(nameString, ageInt): print(My name is "nameString" and I am + "str(ageInt)" + years old) print(nameAndAge(18, "John"))

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9. Change the square procedure below to take a size parameter and have the turtle go forward by the specified size each time.

   def square(turtle): turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) from turtle import * # use the turtle library space = Screen() # create a turtle screen malik = Turtle() # create a turtle named malik square(malik) # draw a square with malik

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10. Change the code so the function takes parameters for the base and height of the triangle. Then, write code to call the function and print the result.

    def areaTriangle(): base = 5 height = 4 return (5 * 4) / 2

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11. Change the code below to create a function that calculates the cost of a trip. It should take the miles, milesPerGallon, and pricePerGallon as parameters and should return the cost of the trip.

    miles = 500 milesPerGallon = 26 numGallons = miles / milesPerGallon pricePerGallon = 3.45 total = numGallons * pricePerGallon print(total)

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12. Fix the errors in the procedure and call it.

    from turtle import * space = Screen() t = Turtle() t2 = Turtle() turtleDrawing(t, t2, 100, 45) turtleDrawing def(turtle, turtle2, distance, angle) turtle.left(angle) turtle2.right(angle) turtle.forward(turtle2) turtle2.forward(turtle) return distance

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13. Change the code below to create a function to return the number of miles you can drive. It will take as input (parameters) the tankCapacity, theAmountLeft, and the milesPerGallon.

    tankCapacity = 10 amountLeft = 0.25 numGallons = tankCapacity * amountLeft milesPerGallon = 32 numMiles = numGallons * milesPerGallon print(numMiles)

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14. Complete and change the code to be a function with 2 parameters that returns the time taken to travel and call the function

    speed = 5 distance = 25 timeTakenToTravel = print(timeTakenToTravel)

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15. Create a procedure to draw a rectangle and call it. Be sure to take the width and height of the rectangle as input to the procedure.

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16. Create a procedure that takes 2 parameters, a string that you get from a user input and an int. Make the procedure print the string the number of times the int parameter gives and call the procedure.

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17. Create a procedure to draw a triangle and call it. Be sure to take the length of each side of the triangle as input to the procedure.

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18. Create a procedure that takes 7 paramters (turtle, distance, angle, and 4 color strings) and call the procedure to draw a square in 4 different colors.

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19. Write the code below to create a procedure that prints a mad lib. You can ask the user for input and then pass that input into the procedure.

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20. Write a function that takes the current hour, current minute, an int to be added to the current hour, and an int to be added to the current minute, and return a string with the new hour and minute (standard 12 hour time; if minutes exceed 60, it should go to the hour) and call the function.

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