Write a Python program which accepts the user's first and last name and print them in reverse order with a space between them


Hint:
Concatenation...

Write a Python program that asks for the user's name via input() function. If the name is "Bond" make it print "Welcome on board 007." Otherwise make it print "Good morning NAME". (Replace NAME with user's name)


Hint:
None

Write a Python program to get the volume of a sphere with radius 6.
A sphere is a three-dimensional solid with no face, no edge, no base and no vertex.
It is a round body with all points on its surface equidistant from the center.
The volume of a sphere is measured in cubic units.

Hint:
The volume of the sphere is : V = 4/3 × π × r3 = π × d3/6.