Computer Science
Assertion (A): The pop() method can be used to delete elements from a dictionary.
Reasoning (R): The pop() method deletes the key-value pair and returns the value of deleted element.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Python Dictionaries
1 Like
Answer
Both A and R are true and R is the correct explanation of A.
Explanation
The pop() method is used to delete elements from a dictionary. This method not only deletes the item specified by the key from the dictionary but also returns the deleted value.
Answered By
3 Likes
Related Questions
Consider the given statements for creating dictionaries in Python:
D1 = { 'A' : 'CS' , 'B' : ' IP' }
D2 = { 'B' : 'IP', 'A' : 'CS ' }Assertion (A): Output of print(D1==D2) is True.
Reasoning (R): Dictionary is a collection of key-value pairs. It is not a sequence.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Dictionaries are enclosed within curly braces { }.
Reasoning (R): The key-value pairs are separated by commas (,).
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Keys of the dictionaries must be unique.
Reasoning (R): The keys of a dictionary can be accessed using values.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): clear() method removes all elements from the dictionary.
Reasoning (R): len() function cannot be used to find the length of a dictionary.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.