Python Practice Example 58
Python 100 ExamplesProblem:Draw, learn to use rectangle to draw a square.
Program analysis:
rectangle(int left, int top, int right, int bottom)
Parameter description: (left, top) are the coordinates of the upper-left corner of the rectangle, (right, bottom) are the coordinates of the lower-right corner, the two can determine the size of a rectangle.
Example (Python 2.0+)
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
from Tkinter import *
root = Tk()
root.title('Canvas')
canvas = Canvas(root,width = 400,height = 400,bg = 'yellow')
x0 = 263
y0 = 263
y1 = 275
x1 = 275
for i in range(19):
canvas.create_rectangle(x0,y0,x1,y1)
x0 -= 5
y0 -= 5
x1 += 5
y1 += 5
canvas.pack()
root.mainloop()
The output of the above example is:
Other extensions