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You do have to worry about types, you always do. You have to know, what did this function return, what can you do with it.

When you know well the language, you dont need to search for this info for basic types, because you remember them.

But that's also true for typed languages.

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This is more than just trivially true for Python in a scripting context, too, because it doesn’t do things like type coercion that some other scripting languages do. If you want to concat an int with a string you’ll need to cast the int first, for example. It also has a bunch of list-ish and dict-ish built in types that aren’t interchangeable. You have to “worry about types” more in Python than in some of its competitors in the scripting-language space.

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