In Order to Avoid KeyError Exceptions,you Can Check Whether a Key

question 15

Multiple Choice

In order to avoid KeyError exceptions,you can check whether a key is in the dictionary using the __________ operator.

• A) included
• B) in
• C) isnotin
• D) isin

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Definitions:

Contamination

The presence of an unwanted substance or microorganism which makes something impure or hazardous.

Aseptic Technique

A set of practices in healthcare and laboratory environments aimed at preventing contamination by pathogens, to minimize the risk of infection.

Sterility

The state of being free from living microorganisms; in a medical context, it refers to materials or environments that have been made sterile to prevent infection.

Surgical Procedure

A medical intervention involving an incision with instruments; performed to repair damage, arrest disease, or improve body function.