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10. Which of the following statements about python dictionary is correct? A. You can have different...

10. Which of the following statements about python dictionary is correct?

A. You can have different types of data as keys in a dictionary.
B. You can have variables as keys in a dictionary.
C. The values (key-value pairs) in a dictionary must be the types of int or float.
D. You cannot have a list as key in a dictionary.

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Answer #1

Statements about python dictionary:-

A. You can have different types of data as keys in a dictionary.

Answer: - Incorrect

Explanation:- Keys are unique and  keys must be of an immutable data type.

B) You can have variables as keys in a dictionary.

Answer:- Correct

Explanation:- Yes we can deal with variables as keys in a dictionary.

C.) The values (key-value pairs) in a dictionary must be the types of int or float.

Answer:- Incorrect

Explanation:- You can use other datatypes as well like string,boolean etc.

D.) You cannot have a list as key in a dictionary.

Answer:- Correct

Explanation:- list should not be used as a dictionary key.

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