To define variable.

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Chapter 1, Problem 4RQ

Program Plan Intro

To define variable.

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class Calculator: # Type your code here. if __name__ == "__main__": calc = Calculator(); num1 = float(input()) num2 = float(input()) # 1. The initial value print('{:.1f}'.format(calc.get_value())) # 2. The The value after adding num1 calc.add(num1) print('{:.1f}'.format(calc.get_value())) # 3. The value after multiplying by 3 calc.multiply(3) print('{:.1f}'.format(calc.get_value())) # 4. The value after subtracting num2 calc.subtract(num2) print('{:.1f}'.format(calc.get_value())) # 5. The value after dividing by 2 calc.divide(2) print('{:.1f}'.format(calc.get_value())) # 6. The value after calling the clear() method calc.clear() print('{:.1f}'.format(calc.get_value()))

________ are the number of different ways in which objects can be arranged without regard to order. Simple events Random variables Combinations Permutations

Textbook: Joyce Farrell, Microsoft® Visual C#®: An Introduction to Object-Oriented Programming, Seventh Edition, ISBN: 9781337102100.Microsoft Visual C# (chapter 5 code case problem 5-2) Assignment instruction: In Chapter 4 of your book, you created an interactive application named MarshallsRevenue that prompts a user for the number of interior and exterior murals scheduled to be painted during a month and computes the expected revenue for each type of mural. The program also prompts the user for the month number and modifies the pricing based on requirements listed in Chapter 4. Now, modify your program so that the user must enter a month value from 1 through 12. If the user enters an incorrect number, the program prompts for a valid value. Also, the user must enter a number between 0 and 30 inclusive for the number of murals of each type; otherwise, the program prompts the user again. In order to prepend the $ to currency values, the program will need to use the…