CBSE Class 11 Computer Science Question 35 of 112

Dictionaries — Question 15

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15
Question

Question 15

What is printed by the following statements ?

D1 = {"cat":12,"dog":6,"elephant":23,"bear":20} 
print("dog" in D1)
  1. True
  2. False
  3. Error
  4. None
Answer

True

Reasonin operator is used to check whether a certain key is in the dictionary or not. It is also called containment check. It returns a boolean value.
Here, the expression "dog" in D1 will print true, since D1 contains "dog" key.