Drone Flight Planner - https://www.pramp.com/challenge/BrLMj8M2dVUoY95A9x3X

droneFlight.py

def calc_drone_min_energy(route):
  
  if not route:
    return 0
  
  initialz = route[0][2]
  greatestz = initialz
  
  for z in range(1, len(route), 1):

    if route[z][2] > greatestz:
      greatestz = route[z][2] 
      print(greatestz)
      print(route[z][2])
      
  
  energy = abs(greatestz - initialz)
  
  return energy


#route = [[0,   2, 10],[3,   5,  0],[9,  20,  6],[10, 12, 15],[10, 10,  8]]
#print(calc_drone_min_energy(route))
"""

 
[[0,2,6]
[10,10,20]]





input:  route = [ [0,   2, 10],
                  [3,   5,  0],
                  [9,  20,  6],
                  [10, 12, 15],
                  [10, 10,  8] ]

output: 5 # less than 5 kWh and the drone would crash before the finish
          # line. More than `5` kWh and it’d end up with excess energy
          
starting pt 0 energy

z access only care about up and down

10 0
0  +10
6  -6
15 -9
8  +7
___

15
greatestZ = initialz
for each z+1 in zaxis:
  if z > greatestz
    greatestz = z
    
energy = greatestz - initialz

10 0 6 15 8

energy = 15 - 10 = 5




"""