Removing the door lever itself rotating it 180 degrees and installing it on the other side of the door will cause the lever to be inverted yet it will still operate the latch mechanism in exactly the same manner.
How to change a door handle from left to right.
A right opening door is one that when opened swings to the right.
Press in on the tool or screwdriver while pulling out on the handle.
Slide the handle off the lockset until it butts up against the key.
Reverse the sides that the levers are on by sliding the second door lever removed back into the door knob opening and then insert the first lever into the door knob opening.
If the room is small changing the door from a right opening to a left opening may give the room the appearance of having more space.
Insert the end of a door handle tool or small flat head screwdriver into the hole.
Look for a small hole in the side of the handle near the face of the lockset.
Woodie s will show you how to change a door handle.