Assignment 7 — multi-input problem solving

Due time: Wednesday, January 30

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Downloads

• all_consuming.py

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Program all_consuming.py

• Develop a program that estimates your annual consumption of a commodity based on how much you consume each weekday and each weekend day.

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Assumptions

• A week has 5 weekdays and 2 weekend days.

• A year has 52 weeks (yes, we know a real year is longer, but we will ignore that in this program).

• User supplied numbers are integers.

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Requirements

• The program first prompts the user for the commodity consumed.

• The program then prompts the user for two integer inputs: first, the quantity consumed on a typical weekday, then the quantity consumed on a typical weekend day. These should be requested using two separate prompts.

• The program uses the inputs to compute and report the quantity consumed in a year.

• The second two prompts and the final report should include the commodity as listed by the user in response to the first prompt. I suggest defining two prompt variables that both make use of the supplied commondity (see notes below)

• Do not perform arithmetic inside a print() statement

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Notes

• You cannot use the comma operator (,) for concatenation (string building). If you want to build a string up, use the plus operator (+).

• After getting the commodity it might prove helpful to then set string variables (e.g., weekday_prompt and weekend_prompt or prompt1 and prompt2 or ... ) as the prompt strings for getting numeric inputs. And then use those string variables as arguments to the input() invocations.

• End each prompt with a space; e.g., input( 'What is something you consume daily?: ' )
  not input( 'What is something you consume daily?:' ).

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Suggested agorithm

• Get input commodity of interest

• Determine weekday consumption prompt

• Determine weekend day consumption prompt

• Separately get weekday and weekend day consumptions

• Compute weekly consumption

• Compute yearly consumption

• Report yearly consumption

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Two program runs

What is something you consume daily? slices of cheese

Enter slices of cheese consumed on a normal weekday: 4

Enter slices of cheese consumed on a normal weekend day: 12

You consume 2288 slices of cheese per year.

What is something you consume daily? paper napkins

Enter paper napkins consumed on a normal weekday: 6

Enter paper napkins consumed on a normal weekend day: 0

You consume 1560 paper napkins per year.