Question

Write an \(1 f\) statement that assigns 100 to \(x\) when \(y\) is cqual to 0

Short answer

Based on the provided step-by-step solution, write an if statement that assigns the value 100 to the variable x when the variable y is equal to 0. Answer: ```python if y == 0: x = 100 ```

Step-by-step solution

Define the variables

First, let's define the variables x and y. Here we'll assume Python as the programming language: ```python x = 0 y = 0 ```

Create the if statement

Now, we can create an if statement that checks if y is equal to 0. If the condition is true, it will assign the value of 100 to the variable x: ```python if y == 0: x = 100 ```

Final Code

The final code for the if statement is as follows: ```python x = 0 y = 0 if y == 0: x = 100 print(x) ``` This code sets the value of x to 100 when y is equal to 0, and outputs the value of x.

Key concepts

Conditional Statements

Conditional statements, often known as 'if statements' in programming, serve as decision markers. These are the crossroads at which a program can take different paths based on certain conditions. In a typical 'if statement', a condition is evaluated, and if the result is true, the statement or block of code associated with it is executed.

For example, the exercise requires us to write an if statement that assigns the value of 100 to the variable 'x' if another variable 'y' equals 0. This simple form of condition checking is foundational in programming, enabling programs to respond dynamically to different situations.

In essence, through the execution of an if statement:

• The program ***checks*** the condition (is 'y' equal to 0?).
• If the condition is ***true***, the subsequent block of code (x = 100) is executed.
• If the condition is ***false***, the block of code under the if statement is ***skipped***.

By mastering conditional statements, a programmer gains control over the flow of their program, allowing for more complex and decision-driven code. The given solution provides a simple and clear example of this critical concept in action, demonstrating how the if statement works by using an equal-to comparison operator (==).

Programming Logic

Programming logic is the methodology of making sense of and solving problems within a programming context. It's about understanding how to sequence instructions, how to perform operations based on conditions, and how to manipulate data effectively. The core of programming logic lies in the ability to think critically and solve problems algorithmically.

In the context of our exercise, the use of programming logic is in the interpretation of the requirement: 'assign 100 to x when y is equal to 0'. We appreciate that this instruction implies a condition—a specific situation under which an action should occur. Logical steps include evaluating this condition, performing an assignment if it holds true, and ensuring the program behaves correctly when the condition is not met.

Programming logic ensures that our code is not only syntactically correct but also semantically meaningful. It enables us to design a structure that reflects the real intent: in this case, to have 'x' only become 100 under a said circumstance. The step by step solution shows a logical progression from defining variables to implementing a conditional construct that performs the desired assignment.

Variable Assignment

Variable assignment is a fundamental concept in programming where a value is associated with a name, allowing you to store and manipulate data within your code. It is like telling the program, 'Remember this number or piece of information as 'x' so I can use it later.' It's an act of naming and preserving data.

In the given exercise, variable assignment occurs when the number 100 is allocated to the variable 'x'. This happens within the if statement, meaning the assignment only takes place under the condition that 'y' equals 0. Before that, both 'x' and 'y' are initially assigned a default value of 0. It's worth noting that without variable assignment, it would be difficult to perform operations or track state in a program.

Here's the beauty of variable assignment:

• It helps ***organize*** data.
• It provides a way to ***update*** the stored data.
• It allows for the ***reuse*** of variables throughout the code.

Proper assignment practices can greatly increase the clarity and efficiency of a program, and as shown in the exercise, the ability to assign variables conditionally is an invaluable asset in any programmer's toolkit.