Lecture

Common English Expressions for Loops

A loop is a fundamental control structure designed to repeatedly execute a block of code as long as a specific condition is met.

In programming, loops are generally referred to as loop or loop statement, and each execution of the loop is known as an iteration.

Loops are frequently utilized when you need to traverse a list of data or repeat a particular action until a condition is fulfilled. Therefore, accurately using the relevant English expressions when explaining or sharing loop implementations is crucial.

Let's explore essential English expressions related to loops through specific examples and gather useful phrases for explaining loop structures in programming.

Quiz
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What is the English term for a single execution unit within a loop?

loop statement

condition

iteration

execution

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Key Expressions Related to Loops

increment/decrement the index in the loop by 1

Increment means to increase the value, and decrement means to decrease the value, commonly used with loop control variables.

Increment the index i in the for loop by 1.

traverse

Traverse is a verb used when navigating or visiting each element in a data structure from start to end. The noun form is traversal.

You can use a loop to traverse a list.

break out of a loop

Break out of is used to stop and exit a loop when a condition is met.

Break out of the for loop if the variable x is less than 0.

iterate over an array

Iterate is a verb used to loop over arrays or objects. It is often used with the prepositions over or through.

Iterate through key-value pairs in an object.

execute a loop body

The loop body is referred to as the loop body, and the verbs execute or run indicate carrying out that code.

Execute a block of code for a certain number of times.

terminate the loop

Terminate or end is the verb used to completely end a loop execution.

Terminate the execution of the loop through the break statement.

skip an iteration

Skip means to bypass a loop iteration under certain conditions, often used with continue.

The continue statement skips one loop iteration.

return to the condition

When going back to the condition to start the next loop, you use expressions like return to, go back to, or jump back to.

The continue statement skips the current iteration and returns to the loop condition.