Canvas Flower

__author__="Introfor"
 
"""
history:
    2016/12/27 : Canvas flower START
"""
 
from Tkinter import *
 
root = Tk()
root.title("Canvas_Flower")
 
xy_size =300
 
canvas = Canvas(root, bg="white", width = xy_size, height =xy_size)
 
def corner():
    n=0
    for i in range(10):
 
        #1
        coord =  0, 0, n,xy_size
        line = canvas.create_line(coord, fill="black")
 
        coord = 0,0, xy_size,n
        line = canvas.create_line(coord,fill="black")
 
        #2
        coord = 0, n, xy_size, xy_size
        line = canvas.create_line(coord, fill="black")
 
        coord = n, 0, xy_size, xy_size
        line = canvas.create_line(coord, fill="black")
 
        #3
        coord = xy_size, 0, n, xy_size
        line = canvas.create_line(coord, fill="black")
 
        #4
        coord = xy_size, n, 0, xy_size
        line = canvas.create_line(coord, fill="black")
 
        n += 30
 
def rest_width():
    n=0
    a=0
    for i in range(9):
        a+=30
        n=0
        for j in range(10):
            coord = a, 0, n, xy_size
            line = canvas.create_line(coord, fill="black")
            n+=30
 
def rest_heigth():
    n=0
    a=0
    for i in range(9):
        a+=30
        n=0
        for j in range(10):
            coord = 0, a, xy_size, n
            line = canvas.create_line(coord, fill="black")
            n+=30
 
 
 
corner()
rest_width()
rest_heigth()
canvas.pack()
root.mainloop()