Assume that d is a python dictionary. what does the following python code produce? for k in d: if d[k] == v: return kselect one:

a. a histogram
b. an inverted dictionary
c. a list of tuples
d. a lookup
e. a reverse lookup

D. a lookup

Explanation:

'Looking up' values based on keys from a dictionary is known as key look up.

A dictionary is a data structure used in Python for storing the values of several items.

A dictionary in Python is an unordered collection of items where each item is stored as a key:value pair. In dictionaries, we map an object that maps individual values with unique keys.

A lookup fetches the requested values of keys in the dictionary for operation. In the example given, a lookup is made for the key, K in dictionary, d, checking if its value is v, and returning (printing) k if the lookup is matched.

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