import math
from graphics import *


def printStars(numLines):
    for i in range(numLines):
        for j in range(i+1):
            print("*", end="")
        print()


def main():
    numLines = eval(input("How many lines should the triangle contain?"))
    printStars(numLines)
    


def showCircle():
    win = GraphWin("Hi!", 600, 600)
    p = Point(300,300)
    p2 = win.getMouse()
    dist = math.sqrt((p.getX()-p2.getX())**2 + (p.getY()-p2.getY())**2)
    c = Circle(p, dist)
    c.draw(win)
    win.getMouse()
    win.close()



def foo(a, b):
    print("Foo", a, b)
    bar(a,b)

def bar(c, d):
    print("Bar", c, d)
    
def printStuff():
    a = 2
    b = 3.0
    c = 'a'
    d = '4'

    print(a+b)
    print(c+d)
    print(str(a)+d)
    print(a+eval(d))

    foo(a,b)
    bar(b,d)
    print("Good\nBye")    


def factorial(n):
    for i in range(1,n+1):
        fact = fact * i
        print (fact)




def avgSum():
    n = eval(input("Whole pos num? "))
    #n = n - n%2 #Make it even
    theSum = 0
    count = 0
    for i in range(2,n+1,2):
        theSum = theSum + i
        count = count + 1
    print("Sum=", theSum, " Avg=", theSum/count)










def avgSum2():
    n = eval(input("Whole pos num? "))
    theSum = 0
    for i in range((n//2)):
        theSum = theSum + 2*(i+1)
    print("Sum=", theSum, " Avg=", theSum / (n//2))
    





def shiftStr(s):
    print(s)
    for i in range(len(s)):
        s = s[1:] + s[0:1]
        print(s)

def shiftStr2(s):
    for i in range(len(s)+1):
        print(s[i:] + s[0:i])

def shiftStr3(s):
    for i in range(len(s)+1):
        a,b = s[0:i], s[i:]
        print (b+a)

def shiftStr4(s):
    for i in range(0,len(s)+1):
        s2=""
        for j in range(i, len(s)):
            s2 = s2+s[j]
        for j in range(0,i):
            s2 = s2+s[j]
        print(s2)