print(round(13.799, 2))
name = input("What's your name?")
print(name)
print(int("4") + 2)
print(type(78 - 5.7))

###

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

###

result = print("Hi")
print(result) # None
#print(2 + 2) < 5 # causes an error!

###

import math
print(math.ceil(3.6))

import random
print(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(50, 150, 350, 250, fill="green")
root.mainloop()