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Update and rename 01 Average Numbers to 02 Unit Converter
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1 Python/labs/01 Average Numbers

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1 Python/labs/02 Unit Converter

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Lab 1: Unit Converter
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This lab will involve writing a program that allows the user to convert a number between units.
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Version 1
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Ask the user for the number of feet, and print out the equivalent distance in meters. Hint: 1 ft is 0.3048 m. So we can get the output in meters by multiplying the input distance by 0.3048. Below is some sample input/output.
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> what is the distance in feet? 12
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> 12 ft is 3.6576 m
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Version 2
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Allow the user to also enter the units. Then depending on the units, convert the distance into meters. The units we'll allow are feet, miles, meters, and kilometers.
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1 ft is 0.3048 m
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1 mi is 1609.34 m
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1 m is 1 m
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1 km is 1000 m
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Below is some sample input/output:
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> what is the distance? 100
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> what are the units? mi
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> 100 mi is 160934 m
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Version 3
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Add support for yards, and inches.
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1 yard is 0.9144 m
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1 inch is 0.0254 m
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Version 4 - optional
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Now we'll ask the user for the distance, the starting units, and the units to convert to.
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You can think of the values for the conversions as elements in a matrix, where the rows will be the units you're converting from, and the columns will be the units you're converting to. Along the horizontal, the values will be 1 (1 meter is 1 meter, 1 foot is 1 foot, etc).
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ft mi m km
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ft 1 0.3048
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mi 1 1609.34
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m 1/0.3048 1/1609.34 1 1/1000
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km 1000 1
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But instead of filling out that matrix, and checking for each pair of units (if from_units == 'mi' and to_units == 'km'), we can just convert any unit to meters, then convert the distance in meters to any other unit.
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Furthermore you can convert them from meters by dividing a distance (in meters) by those same values used above. So first convert from the input units to meters, then convert from meters to the output units.
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Below is some sample input/output:
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> what is the distance? 100
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> what are the input units? ft
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> what are the output units? mi
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100 ft is 0.0189394 mi
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Turning in your lab
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Make sure you are still on your lab branch with git status. This will also show you a list of files that have been modified.
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Add any files you want git to keep track of using git add filename. Replace filename with the name of your file. You can also use git add . to add everything within the current folder.
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Commit your work using git commit -m "Your commit message". Make sure your commit message is descriptive and describes what has been changed during this commit.
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Finally we can run the command git push to send our files up to Github. This may throw an error, but worry not, there will be a suggested command to run, simply copy and paste that command and you should be good to go.
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Don't forget to visit Github and create a pull request to submit your work for review.

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