Update maths/volume.py

Co-authored-by: Christian Clauss <cclauss@me.com>

maths/volume.py

@@ -431,9 +431,8 @@ def main():
     print(f"Spherical cap: {vol_spherical_cap(1, 2) = }")  # ~= 5.24
     print(f"Spheres intersetion: {vol_spheres_intersect(2, 2, 1) = }")  # ~= 21.21
     print(f"Spheres union: {vol_spheres_union(2, 2, 1) = }")  # ~= 45.81
-    print(
-        f"Hollow Circular Cylinder: {vol_hollow_circular_cylinder(1, 2, 3) = }"
-    )  # ~= 28.3
+    #  ~= 28.3
+    print(f"Hollow Circular Cylinder: {vol_hollow_circular_cylinder(1, 2, 3) = }")
 
 
 if __name__ == "__main__":