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Beginner · 8 min

Calculate a total

Use numbers and variables to solve a small everyday problem.

Let Python do the arithmetic

Numbers do not need quotes. Use + to add, - to subtract, and * to multiply. Python calculates the expression before print() displays the result.

print(6 + 4)
print(9 - 2)
print(3 * 5)

Output

10
7
15

Build a shopping total

Store the price and quantity as numbers, then multiply them. The same program can calculate another total when you change those values.

price = 4
quantity = 3
total = price * quantity
print(total)

Output

12

Calculate a shopping total

  1. Identify the price and quantity.
  2. Multiply them and predict the displayed result.

Try it yourself

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Calculate a shopping total

Set price to 4 and quantity to 3. Store their product in total, then display total. Keep all three variables in your program.

Practice