Chapter 2: Problem 9

What is a sequence structure?

Short Answer

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Answer: A sequence structure is a fundamental programming concept that refers to executing a set of instructions or statements in a linear, sequential order. An example in Python would be: ``` x = 2 # Step 1: Assign the value 2 to the variable x y = 4 # Step 2: Assign the value 4 to the variable y result = x*y # Step 3: Multiply x and y, then assign the product to the variable result print(result)# Step 4: Print the value of the variable result ``` In this example, the statements are executed sequentially, starting with assigning values to the variables x and y, then calculating their product and assigning it to the variable "result", and finally printing the result.

Step by step solution

Definition of a Sequence Structure

A sequence structure is a fundamental concept in programming that refers to executing a set of instructions or statements in a linear, sequential order. It is the most common and simple control structure, with each statement being executed one after the other, from top to bottom.

Example of a Sequence Structure

Let's consider a simple example of a sequence structure in Python: ``` x = 2 # Step 1: Assign the value 2 to the variable x y = 4 # Step 2: Assign the value 4 to the variable y result = x*y # Step 3: Multiply x and y, then assign the product to the variable result print(result)# Step 4: Print the value of the variable result ``` In this example, the statements are executed sequentially from the first statement to the last. The program firstly assigns values to the variables x and y, then calculates the product of x and y and assigns the result to the variable "result". Finally, it prints the value of the variable "result" to the screen.

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What is a sequence structure?

Short Answer

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Definition of a Sequence Structure

Example of a Sequence Structure

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