1. void setup() {
2.   size(400, 400);
3.   background(255);
4.  
5.   int numCells = 10; // Number of cells in each direction
6.   int cellSize = width / numCells; // Size of each cell
7.  
8.   // Draw grid of rectangles
9.   for (int i = 0; i < numCells; i++) {
10.     for (int j = 0; j < numCells; j++) {
11.       int x = i * cellSize;
12.       int y = j * cellSize;
13.       rect(x, y, cellSize, cellSize);
14.     }
15.   }
16.  
17.   // Draw x-axis
18.   stroke(0);
19.   line(0, height / 2, width, height / 2);
20.  
21.   // Draw y-axis
22.   line(width / 2, 0, width / 2, height);
23.  
24.   // Plot and connect points
25.   float[] xValues = {0, 1, 2, 3, 4, 5};
26.   float[] yValues = {1, 4, 2, 6, 3, 5};
27.  
28.   for (int i = 0; i < xValues.length; i++) {
29.     // Map points to the grid
30.     float mappedX = map(xValues[i], 0, 5, 0, width);
31.     float mappedY = map(yValues[i], 0, 6, height, 0);
32.    
33.     // Plot points
34.     fill(255, 0, 0); // Red color
35.     ellipse(mappedX, mappedY, 10, 10);
36.    
37.     // Connect points with lines
38.     if (i > 0) {
39.       float prevMappedX = map(xValues[i-1], 0, 5, 0, width);
40.       float prevMappedY = map(yValues[i-1], 0, 6, height, 0);
41.       line(prevMappedX, prevMappedY, mappedX, mappedY);
42.     }
43.   }
44. }
45.