draw circle and concentric circles

draw_shapes.py

@@ -0,0 +1,39 @@
+
+def draw_circle(ic, x, y, r, color):
+    """Function to draw a circle at given center with given
+    radius and colour
+
+    Args:
+        ic (Draw Object): The Draw object on which the drawing should
+            be done.
+        x, y (int): Center of the circle
+        r (int): Radius of the circle
+        color: The color of the circle
+    
+    Returns:
+        None
+    """
+    x, y, r = int(x), int(y), int(r) # Converting possible floats to int
+    ic.ellipse([x-r, y-r, x+r, y+r], fill=color)
+
+def concentric_circles(ic, x, y, max_r, circle_count, color, max_opacity):
+    """Function to draw concentric circles
+    
+    Args:
+        ic: Draw object to which to draw
+        x, y (int): Center of circles
+        max_r (int): Max radius of circles
+        circle_count (int): Number of required circles
+        color: color of the circle in RGB
+        max_opacity (int): The max opacity for the innermost circle
+    
+    Returns:
+        None
+    """
+    for i in range(circle_count):
+        draw_circle(
+            ic, 
+            x, y,
+            max_r*(circle_count-i)/circle_count,
+            (*color, int(max_opacity*i/circle_count))
+        )