Programming languages all come ... keys—an object like a string or an integer. Each key is associated with a value, which can be any Python object. You use a key to obtain its related values ...

Find out what makes Python a versatile powerhouse for modern ... Data structures—like lists, dictionaries (i.e., hashmaps or key-value stores), tuples (for storing immutable collections of ...

My preferred Python package for retrieving data from the web is ... value in length.items(): print("{0:30}: {1:8,}".format(key, value)) How does this program work? It goes through a list of URLs (as ...