You Are Parsing a Log File That Contains Three Columns

question 43

Multiple Choice

You are parsing a log file that contains three columns: a timestamp, an account number (a string) , and a transaction amount (a number) . You want to calculate the sum of all transaction amounts for each unique account number efficiently. Which data structure should you use?

• A) A linked list
• B) A hash table
• C) A two-dimensional array
• D) A comma-delimited string

Understand the economic, social, and political impacts of the Great Depression on American society.

Recognize the responses of the Hoover administration to the economic crisis and their effectiveness.

Identify the cultural and societal shifts during the 1920s and early 1930s, including the Harlem Renaissance and the changing roles of women.

Understand the role of propaganda and public sentiment towards foreign influences, unionism, and socialism during the 1920s.

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Definitions:

Dissociative Identity Disorder

A psychological condition characterized by the presence of two or more distinct personality states within a single individual.

Posttraumatic Theory

A framework that examines the long-term psychological effects and coping mechanisms following exposure to traumatic events.

Compulsions

Repetitive behaviors or mental acts that an individual feels driven to perform in response to an obsession.

Ritualistic Behaviors

Repetitive actions performed in a particular sequence, often with symbolic significance, and usually observed in religious or cultural practices.