Discuss the properties of Dictionary Keys.

Question :

Discuss the properties of Dictionary Keys.

There are few properties which should be considered while using dictionary keys:
(a) More than one entry per key is not allowed ( no duplicate key is allowed ).
(b) The values in the dictionary can be of any type while the keys must be immutable like numbers, tuples, or strings.
(c) Dictionary keys are case sensitive. Same key name but with the different case are treated as different keys in Python dictionaries. 

Similar Questions

• Explain membership operator in with example.

• Define Array and NumPy array.

• What is the purpose of negative index values in NumPy ?

• Write short note on slicing.

• What do you mean by Rank in numpy ?

• What do you mean by Axes in numpy ?

• What is slicing ?

• Name the module you will import to use numpy ?

• What is numpy ?

• Write short note on from-import statement.

• How will you import all the attributes from a module ?

• What do you mean by reloading module ?

• What do you understand by following import statement :
  from x import a, b, c

• What do you mean by Built-in ?

• What do you mean by Global variable ?

• Name any two commonly used build-in modules.

• What is namespace in Python ?

• What do you mean by LEGB ?

• What do you understand by module and package ?

• What is the use of close() method ?