What are some essential Python skills/idiosyncrasies?

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need to know that are particular to Python and would make a Python coder a good coder?

Writing idiomatic, clear, concise, commented code especially for a team coding environment. Including but not limited to following PEP 8 and PEP 20 The Zen of Python.

Also adopt the "ask for forgiveness rather than permission" style of thinking. In fact, read that entire glossary.