c = [0, 10, 11, 48, 50.5, 0.48, 17, 18, 23, 29, 33, 34.67, 50.1, 0.09, 7, 41, 45, 50]

C 1:
Start: (0, 0) # starts at index 0, value 0
End: (4, 50.5) #ends at index 4, value 50.5

C 2:
Start: (5, 0.48)
End: (12, 50.1)

C 3:
Start: (13, 0.09)
End: (17, 50)

min = []
max = []
for i, (first,second) in enumerate(zip(c, c[1:])):
    if first < second:
        min.append((i,first))
        continue
    if first > second:
        max.append((i,first))
        continue