joined_df = pd.merge(mydf, mylookup, left_on= "OP_UNIQUE_CARRIER", right_on="Code") joined_df.head(10) If we run these lines in the Python 3 console, we get: martinheller@Martins-Retina-MacBook ...

NumPy is one of the most common Python tools developers and data scientists use for assistance with computing at scale. It provides libraries and techniques for working with arrays and matrices ...