import graphics as gph
import math as mth

def cube(x):
    return x**3

def maxValue(a,b):
    #returns the maximum value
    return max(a,b)

def distance(pt1,pt2):
    deltaX = pt1.getX()-pt2.getX()
    deltaY = pt1.getY()-pt2.getY()
    return mth.sqrt(deltaX**2+deltaY**2)

def isPositive(x):
    return (x>0)

def average(numbers):
    total = 0
    for num in numbers:
        total = total + num
    return total/len(numbers)

def listMod(ourList):
    ourList[0]="Tuesday"
    return ourList


def numberMod(number):
    number = number + 50
    return number