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3. Linear Algebra Course Practice Problems

It will take an extremely long time to create exercises if it is ever done. I think at some point you need to go outside of Khan Academy. I can understand your course textbook being hard to read, b...

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3. Python 3.13 Expression Evaluation Clarification

What you are using is the command prompt or terminal of the interpreter. You can do the same thing with any standard version of Python, e.g. 3.8 etc Note that the course uses a code editor, not a t...

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3. Test Cases Python

Thank you, I have provided the feedback

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3. Test Cases Python

JaniceHolz I am not aware of the feedback link. Do you know where it is? Thank you

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3. Mental Math

You may be interested in the following. The game involves modulo arithmetic. The modulo operator returns the positive remainder. E.g. 5 mod 4 = 1 because the remainder of 5 when it is divided by 4 ...

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3. The daily Flagging limit needs to be increased.

The type of post you are describing are uncommon. I think one thing we need to remember, there are many resources out there students can use. They can refer to the Q/A or YouTube. At some point, s...

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3. The daily Flagging limit needs to be increased.

I think you are right, there is an issue with bad questions. But I think at some point students need to take responsibility for their education. While you could try flagging users, new users will a...

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3. Unicode support in Python?

What you have typed seems to  be a comment. As result you are getting no output.  

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3. Python Programming Enviornment

@Electric Doplphin, I have already given an example where the results will be different. There are more complicated scenarios where the difference will matter like when working dataframes and logic...

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3. Misinterpretation of 'Was Rotated': A Proposed Revision for a Point Rotations Problem

I agree with your assessment. Maybe an alternative wording could be: Which point will point P move to when it is rotated by -90 degrees about the centre.