# Create a modified version of the Point class with three attributes # x, y, and z, representing a point in a 3D space.

# Create a modified version of the Point class with three attributes

# x, y, and z, representing a point in a 3D space. 

# Include a modified __init__(), distance_from_origin() methods

# which extend from 2D to 3D naturally.

# Note that in 3D sqrt(x² + y² + z²) is the distance from the origin.