# MouseeventEx2.py

from gpanel import *

def drawLines():
    for p in graph:
        for q in graph:
            line(p, q)

def addNode(x, y):
    pt = [x, y]    
    move(pt) 
    fillCircle(1)
    graph.append(pt)    
    drawLines()

makeGPanel(0, 100, 0, 100, mousePressed = addNode)
graph = []
keep()