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python was the first language I learned and most of what I code and I never understood this deep fear of type errors, it's pretty rarely an issue in practice
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I find that most problems are type errors. I like static types because I can be lazy and code by numbers.
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Unit tests + strict types give you 3 chances to catch misconceptions or mistakes in the code compared to 1 chance when writing something without types or unit tests. But when all your input data is a string and you aren't doing complex parsing then strict types are not as useful
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