Likewise, we can store strings. a = "Python" ... We represent them with the float keyword. price = 19.99. temperature = -3.5. String . These are text enclosed in quotes (single ' or double " both ...

If we find that condition was set to "Unacceptable", we set shelf_id to None — but we don’t store condition itself in the class instance. When to use Python dataclasses—and when not to use them ...