Which of the following isn’t true about dictionary keys?

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Programming and Problem Solving through Python : Sequence data types in python

Which of the following isn’t true about dictionary keys?

A. More than one key isn’t allowed

B. Keys must be immutable

C. Keys must be integers

D. When duplicate keys encountered, the last assignment wins

Solution

C. Keys must be integers

Explanation

Keys of a dictionary may be any data type that is immutable.