Python isn’t too dissimilar, as we can rely on the inbuilt len function, which can be combined with Pandas’ loc [] to access a specific row of data within a column: len(df['Title'].loc[0]) In ...

lru_cache basics To memoize a function in Python, we can use a utility supplied in Python’s standard library—the functools.lru_cache decorator. lru_cache isn’t hard to use.

Python type hints are used ahead of time, by the type-checking system; for instance, in your editor or IDE. In other words, Python’s type hints are for the developer, not the runtime.