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Driving is expensive. Write a program with a car's miles/gallon and gas dollars/gallon (both floats) as input, and output the gas cost for 10 miles, 50 miles, and 400 miles. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print ('{:.2f}'.format (your_value)) Ex: If the input to your program is: 20.0 3.1599

Driving is expensive. Write a program with a car's miles/gallon and gas dollars/gallon (both floats) as input, and output the gas cost for 10 miles, 50 miles, and 400 miles. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print ('{:.2f}'.format (your_value)) Ex: If the input to your program is: 20.0 3.1599

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Python 

  • Create a function to match the specifications
  • Use floating-point value division
  • Write a program to get the user input and call the custom function and produce the desired output using a format function and __name__ == '__main__' to output the specified precision

 

my code doesn't work for this input = 50 20.0 3.1599  that  the function returns: 7.89975

 

Instructions Driving is expensive. Write a program with a car's miles/gallon and gas dollars/gallon (both floats) as input, and output the gas cost for 10 miles, 50 miles, and 400 miles. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print ('{:.2f}'.format(your_value)) Ex: If the input to your program is: 20.0 3.1599 the output is: The gas cost for 10 miles is $1.58 The gas cost for 50 miles is $7.90 The gas cost for 400 miles is $63.20 Your program must define and call the driving_cost() function. Given input parameters driven_miles, miles_per_gallon, and dollars per_gallon, the function returns the dollar cost to drive those miles. Ex: If the function is called with: 50 20.0 3.1599 the function returns: 7.89975 def driving_cost(driven_miles, miles_per_gallon, dollars_per_gallon) Your program should call the function three times to determine the gas cost for 10 miles, 50 miles, and 400 miles. Hint: To calculate how many gallons I will spend to drive 1 mile I will divide 1 by a car's miles/gallon parameter. Note: Pay attention to the distinction of what the function expects and is supposed to do versus what the program needs to collect and do. In this lab, the function has 3 parameters, whereas the program collects only 2 input values because the miles are already pre-determined (i.e., hard-coded) inside of its code.
Transcribed Image Text:Instructions Driving is expensive. Write a program with a car's miles/gallon and gas dollars/gallon (both floats) as input, and output the gas cost for 10 miles, 50 miles, and 400 miles. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print ('{:.2f}'.format(your_value)) Ex: If the input to your program is: 20.0 3.1599 the output is: The gas cost for 10 miles is $1.58 The gas cost for 50 miles is $7.90 The gas cost for 400 miles is $63.20 Your program must define and call the driving_cost() function. Given input parameters driven_miles, miles_per_gallon, and dollars per_gallon, the function returns the dollar cost to drive those miles. Ex: If the function is called with: 50 20.0 3.1599 the function returns: 7.89975 def driving_cost(driven_miles, miles_per_gallon, dollars_per_gallon) Your program should call the function three times to determine the gas cost for 10 miles, 50 miles, and 400 miles. Hint: To calculate how many gallons I will spend to drive 1 mile I will divide 1 by a car's miles/gallon parameter. Note: Pay attention to the distinction of what the function expects and is supposed to do versus what the program needs to collect and do. In this lab, the function has 3 parameters, whereas the program collects only 2 input values because the miles are already pre-determined (i.e., hard-coded) inside of its code.
1 def driving_cost(driven_miles, miles_per_gallon, dollars_per_gallon): return driven_miles / miles_per_gallon * dollars_per_gallon -== '_main_': milesPerGallon = float(input()) dollarsPerGallon = float(input()) 4 if Iname. 5. 8 print('The gas cost for 10 miles is ${:.2f}'.format(driving_cost(10, milesPerGallon, dollarsPerGallon))) 9 print('The gas cost for 50 miles is ${:.2f}'.format(driving_cost(50, milesPerGallon, dollarsPerGallon))) 10 print('The gas cost for 400 miles is ${:.2f}'.format(driving_cost(400, milesPerGallon, dollarsPerGallon))) 11 12 13
Transcribed Image Text:1 def driving_cost(driven_miles, miles_per_gallon, dollars_per_gallon): return driven_miles / miles_per_gallon * dollars_per_gallon -== '_main_': milesPerGallon = float(input()) dollarsPerGallon = float(input()) 4 if Iname. 5. 8 print('The gas cost for 10 miles is ${:.2f}'.format(driving_cost(10, milesPerGallon, dollarsPerGallon))) 9 print('The gas cost for 50 miles is ${:.2f}'.format(driving_cost(50, milesPerGallon, dollarsPerGallon))) 10 print('The gas cost for 400 miles is ${:.2f}'.format(driving_cost(400, milesPerGallon, dollarsPerGallon))) 11 12 13
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