# Electric car problem

# Function to calculate cost of charging a car
def CarCharge(Minutes):

    #Constants
    BaseCost = 1
    CostPerMinute = 0.2
    MinimumMinutes = 15
    PointsPerMinute = 1.5
    
    #Minimum charge is 15 minutes
    if Minutes < MinimumMinutes:
        Minutes = MinimumMinutes

    return BaseCost + (CostPerMinute * Minutes), int(PointsPerMinute * Minutes)

# Main program
Minutes = 20
Cost, Points = CarCharge(Minutes)
print("The cost of {} minutes is £{:.2f}. {} points earned.".format(Minutes, Cost, Points))