from Tkinter import *
from math    import *

canvas = Canvas(width=525,height=300,bg="white")
canvas.pack(expand=YES,fill=BOTH)
x1 = 0
y1 = 150
for x in range(0,500):
    y = sin(x*2*pi/500)*50    
    canvas.create_line(x1,y1,x,150-y,fill = 'red')
    x1 = x;
    y1 = 150-y;

canvas.create_line(0,150,525,150,dash = (4,4)) #x轴
canvas.create_line(250,0,250,300,dash = (4,4)) #y轴
mainloop()

代码执行结果

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