print(abs(-12))
print(pow(2, 3))
print(round(12.54546765, 3))

name = input("What's your name? ")
print(name)

print(type(8 / 2.2))
print(int("Kelly")) # error

###

x = "21"
print(int(x) * 2)

###

x = print(2) + 2 # doesn't work
print(None)

x = print("15-110")
print(x)

###

import math
math.ceil(6.3)

import random
random.randint(1, 10)

###

import tkinter

root = tkinter.Tk()
canvas = tkinter.Canvas(root, 
                        height=400, 
                        width=400)
canvas.configure(bd=0, 
                 highlightthickness=0)
canvas.pack()

canvas.create_rectangle(10, 50, 110, 100, fill="green")

root.mainloop()