Happy Birthday

# Challenge 2
import turtle
elena = turtle.Turtle()

elena.penup()
def line(words, horiz_pos = -20):
    x,y = elena.pos()
    elena.goto(max(horiz_pos, -40), y)
    elena.write(words)
    x,y = elena.pos()
    elena.goto(x, y -20)

def by():
    elena.color('white')
    x,y = elena.pos()
    elena.goto(x + 70, max( -100, y -30))
    elena.write()
    x,y = elena.pos()
    elena.goto(0, y)
    name = input("Write down the name of the person you are going to congratulate: ")
    return name
name = by()
elena.color('indigo')
elena.goto(-50, 150)
line("Happy Birthday to You,")
line("Happy Birthday to You")
line("Happy Birthday Dear " + name)
line("Happy Birthday to You.")

elena.color('magenta')
elena.goto(-50, 50)
line("From good friends and true,")
line("From old friends and new,")
line("May good luck go with you,")
line("And happiness too.")