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Ojidur Rahman
2,201 PointsHow to reduce fuel_remaining? Any syntax errors?
my second method seems to be having issues (run_lap)
class RaceCar:
laps = 0
def __init__(self, color, fuel_remaining, laps, **kwargs):
self.color = color
self.fuel_remaining = fuel_remaining
self.laps
for key, value in kwargs.items():
setattr(self, key, value)
def run_lap(length):
self.fuel_remaining - (length * 0.125) = fuel_remaining
return laps + 1 = laps
2 Answers
Clayton Perszyk
Treehouse Moderator 48,850 Pointsdef run_lap(length): # 1
self.fuel_remaining - (length * 0.125) = fuel_remaining # 2
return laps + 1 = laps # 3
1) pass self 2) assignment should happen on the left hand side 3) a. laps should be an attribute (i.e. self.laps) b. no return, just increment laps c. assignment should happen on the left hand side
Ojidur Rahman
2,201 PointsThanks for answering. I included your changes but it is still an error?
class RaceCar:
laps = 0
def __init__(self, color, fuel_remaining, laps **kwargs):
self.color = color
self.fuel_remaining = fuel_remaining
self.laps = laps
for key, value in kwargs.items():
setattr(self, key, value)
def run_lap(self, length):
fuel_remaining = self.fuel_remaining - (length * 0.125)
laps = self.laps + 1
Clayton Perszyk
Treehouse Moderator 48,850 PointsHI Ojidur,
couple changes still required:
class RaceCar:
laps = 0 # remove this
def __init__(self, color, fuel_remaining, laps **kwargs): # remove laps
self.color = color
self.fuel_remaining = fuel_remaining
self.laps = laps # set to zero
for key, value in kwargs.items():
setattr(self, key, value)
def run_lap(self, length):
fuel_remaining = self.fuel_remaining - (length * 0.125) # assign to self.fuel_remaining
laps = self.laps + 1 # assign to self.laps
Ojidur Rahman
2,201 PointsTHANKS CLAYTON!
Really helped :)
Hermes d'Henares
2,756 PointsHermes d'Henares
2,756 PointsJust mind that the equal sign in the variable assignment doesn't mean that the variable is EQUAL TO the thing to be assigned. You must put the variable on the left of the equal sign and the assignment on the right. The variable assignment is analog to putting (for example) apples into a box. The box has to always be on the left and the apples on the right. Otherwise, Python will assume that you are putting your box into your apples. With mathematical operations is the same. You have to operate on the right to assign the result to the variable on the left. Hope this helps! ;-)