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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years 前

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How to avoid variable name warnings when using filenames as variable names
It probably because the item title does not compliant with the variable rule and you need to modify the names. i.e "item 1" is n...

6 years 前 | 0