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def calculate_expenses(plane_ticket_price, car_rental_rate, hotel_rate, trip_time):
car_rental_total = car_rental_rate * trip_time
hotel_total = hotel_rate * trip_time - 10
print(car_rental_total + hotel_total + plane_ticket_price)
calculate_expenses(200, 100, 100, 5)
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function addItUp(num1, num2) { // adding two argument names separated by a comma
let sum = num1 + num2
return sum
}
let result = addItUp(3, 4) // result will be set to 7