If a dictionary x has no key "a" then what will the following do: x["a"] = 1 Give an error. O Add the key-value pair "a" and 1 respectively. O Add the key-value pair 1 and "a" respectively. O Increment the value corresponding tp key "a" by 1.
If a dictionary x has no key "a" then what will the following do: x["a"] = 1 Give an error. O Add the key-value pair "a" and 1 respectively. O Add the key-value pair 1 and "a" respectively. O Increment the value corresponding tp key "a" by 1.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Python
![If a dictionary x has no key "a" then what
will the following do:
x["a"] = 1
O Give an error.
O Add the key-value pair "a" and 1
respectively.
O Add the key-value pair 1 and "a"
respectively.
O Increment the value corresponding tp key
"a" by 1.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf82ec8f-02f7-492b-b62b-f53ab94e90b9%2F0b60f8d7-934a-4527-bb8b-c4a350e15e5c%2Fkdjfuix_processed.jpeg&w=3840&q=75)
Transcribed Image Text:If a dictionary x has no key "a" then what
will the following do:
x["a"] = 1
O Give an error.
O Add the key-value pair "a" and 1
respectively.
O Add the key-value pair 1 and "a"
respectively.
O Increment the value corresponding tp key
"a" by 1.
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