A limited set of commands can be sent to EVA as single letters telling the robot how to move; “F and "B” would tell EVA to move one position forwards or one position backwards. " and "R" would tell EVA to move one position left or one position rightCreate a function to take a move command (F, B, L, R), process the move commandappropriately, and report the new position. Sample interaction: eva_move(B) #=>(0,-1) eva_move(B)#=>(0,-2) eva_move(B)#=>(0,-1) eva_move(B)#=>(0,-2) eva_move(L)#=>(-1,-2) eva_move(R) #=>(0,-2)
