in Class Code 4-16-15

Compound Interest Graph:

from graphics import *

def main():
    print("This program plots the growth of a 10-year investment.")
    principal = eval(input("Enter the initial principal: "))
    apr = eval(input("Enter the annualized interest rate: "))

    win = GraphWin("Investment Growth Chart", 320, 240)
    win.setBackground("white")
    Text(Point(20, 230), ' 0.0k').draw(win)
    Text(Point(20, 180), ' 2.5k').draw(win)
    Text(Point(20, 130), ' 5.0k').draw(win)
    Text(Point(20, 80), ' 7.5k').draw(win)
    Text(Point(20, 30), ' 10.0k').draw(win)
    
    height = principal * 0.02
    bar = Rectangle(Point(40,230), Point(65, 230-height))
    bar.setFill("green")
    bar.setWidth(2)
    bar.draw(win)
    
    for year in range(1,11):
        principal = principal * (1 + apr)
        x11 = year * 25 + 40
        height = principal * 0.02
        bar = Rectangle(Point(x11, 230), Point(x11 + 25, 230 - height))
        bar.setFill("green")
        bar.setWidth(2)
        bar.draw(win)
        
    input("Press <Enter> to quit")
    win.close()
    
main()

Circle Chase:

from graphics import *

def main():
    win = GraphWin("Click Me!")
    center = Point(100, 100)
    circ = Circle(center,30)
    circ.setFill('red')
    circ.draw(win)
    colBoxX    = circ.getP1()
    colBoxY = circ.getP2()
    
    for i in range(10):
        colBoxX    = circ.getP1()
        colBoxY = circ.getP2()
        
        p = win.getMouse()
        clickX = p.getX()
        clickY = p.getY()
        
        if colBoxY.getX() > 200 and colBoxY.getY() > 200:
            circ.move(100,100)
            circ.draw(win)
        else:
            if clickX > colBoxX.getX() and clickX < colBoxY.getX():
                if clickY > colBoxX.getY() and clickY < colBoxY.getY():
                    circ.move(20,20)            
main()