1. ./average2.py
2. ./average2_withmain.py
3. ./circleShift.py
4. ./circleShiftWithFunction.py
5. ./mystery.py
6. ./oldmac.py

# Program to find the average of two numbers
# by Sara Sprenkle

def average2(num1, num2):
    """
    Parameters: two numbers to be averaged
    Returns the average of two numbers
    """
    average = (num1 + num2)/2
    return average
    
print("This program will find the average of two numbers.")
print()

num1 = eval(input("Enter the first number: " ))
num2 = eval(input("Enter the second number: "))

# calculate the average of the two numbers
average = average2(num1, num2)

print("The average of", num1, "and", num2, "is", average)

# Program to find the average of two numbers.
# Demonstrates using a main function.
# by Sara Sprenkle

def main():
    print("This program will find the average of two numbers.")
    print()
    
    num1 = eval(input("Enter the first number: " ))
    num2 = eval(input("Enter the second number: "))
    
    # calculate the average of the two numbers
    average = average2(num1, num2)
    
    print("The average of", num1, "and", num2, "is", average)

def average2(num1, num2):
    """
    Parameters: two numbers to be averaged
    Returns the average of two numbers
    """
    average = (num1 + num2)/2
    return average
    
main()

# Move a circle to where the user clicked
# By CS111

from graphics import *

CIRCLE_RADIUS = 50

canvas = GraphWin("Circle Shift", 500, 500)

# create the circle in the upper left
cirPoint = Point(CIRCLE_RADIUS, CIRCLE_RADIUS)
myCircle = Circle( cirPoint, CIRCLE_RADIUS)
myCircle.setFill("fuchsia")
myCircle.draw(canvas)

# put the directions in the top center of the canvas
directions = Text( Point(250, 20), "Click where you want to move the circle to.")
directions.draw(canvas)


# get the info from the click
new_point = canvas.getMouse()
newX = new_point.getX()
newY = new_point.getY()

# need to move the circle to that point, but move requires a dx and dy...
dx = newX - myCircle.getCenter().getX()
dy = newY - myCircle.getCenter().getY()

myCircle.move(dx, dy)


directions.setText("Click to close the window")

# wait for the mouse click
canvas.getMouse()
canvas.close()

# Move a circle to the position clicked by the user.
# Solution now uses a function to move the circle.
# by CSCI 111

from graphics import *

CIRCLE_RADIUS = 50

def moveCircle( circle, newCenter ):
    """
    Moves a Circle object a new location. 
    circle: the Circle to be moved
    newCenter: the center point of where circle should be moved
    """
    centerPoint = circle.getCenter()

    diffInX = newCenter.getX() - centerPoint.getX()
    diffInY = newCenter.getY() - centerPoint.getY()

    circle.move(diffInX,diffInY)   


canvas = GraphWin("Circle Shift", 500, 500)

# create the initial circle in the center of the window and draw it
circleCenter = Point(CIRCLE_RADIUS, CIRCLE_RADIUS)
myCircle = Circle(circleCenter, CIRCLE_RADIUS)
myCircle.setFill("fuchsia")
myCircle.draw(canvas)

# Give instructions to the user
anchorPoint = Point(canvas.getWidth()/2, 20)
directions = Text(anchorPoint, "Click where you want your circle to go.")
directions.draw(canvas)

# get where the user clicked
new_point = canvas.getMouse()
    

moveCircle( myCircle, new_point )
canvas.getMouse()

# For fun: Move the circle to a specific point (the top right)
moveCircle( myCircle, Point(500, 0) )


directions.setText("Click to close the window")

canvas.getMouse()
canvas.close()

# Mystery Program
# Used to demonstrate variable lifetimes and scope

def main():
    x = 10
    sum = sumEvens( x )
    print("The sum of even #s up to", x, "is", sum)

def sumEvens(limit):
    total = 0
    for x in range(0, limit, 2):
        total += x	
    return total

main()

# Print out verses of the song Old MacDonald
# Sara Sprenkle

BEGIN_END = "Old McDonald had a farm"
EIEIO = ", E-I-E-I-O"

def main():
    # call the printVerse function to print out a verse
    printVerse("dog", "ruff")
    printVerse("duck", "quack")
    
    animal_type = "cow"
    animal_sound = "moo"
    
    printVerse(animal_type, animal_sound)

# QUESTION: What happens if main called function as
# printVerse("ruff", "dog")

def printVerse(animal, sound):
    """
    Prints a verse of Old MacDonald, plugging in the animal and sound
    parameters (which are strings), as appropriate.
    """
    print(BEGIN_END, EIEIO)
    print("And on that farm he had a", animal, EIEIO)
    print("With a", sound, ",", sound, "here")
    print("And a ", sound, ",", sound, "there")
    print("Here a", sound)
    print("There a", sound)
    print("Everywhere a", sound, ", ", sound)
    print(BEGIN_END, EIEIO)
    print()


main()