YouTipPython Exercise Example56
# Python2.x Python Exercise Instance 56
[ Python 100 Examples](#)
**Title:** Drawing, learn to draw circles using circle.
**Program Analysis:** None.
Program source code:
## Instance(Python 2.0+)
```python
#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == ' __main__ ':
from Tkinter import *
canvas = Canvas(width=800, height=600, bg='yellow')
canvas.pack(expand=YES, fill=BOTH)
k = 1
j = 1
for i in range(0,26):
canvas.create_oval(310 - k,250 - k,310 + k,250 + k, width=1)
k += j
j += 0.3
mainloop()
The output of the above instance is:
![Image