A(n) _____ allows programmers to repeat a block of statements in their program without having to retype any of the actual code or explicitly define and call a method.

Question

BlackTom AI · Accepted Answer

Question restatement: A(n) _____ allows programmers to repeat a block of statements in their program without having to retype any of the actual code or explicitly define and call a method.
Option 1: 'argument' — An argument is a value provided to a function or method when it is called. It is not a mechanism for repeating code, so this option does not describe looping.
Option 2: 'parameter' — A parameter is a variable in a function definition that receives a value when the function is called. Like arguments, parameters involve passing data, not repeating a block of code, so this is not correct for the given description.
Option 3: 'expression' — An expression is a combination of variables, operators, and values that evaluates to another value. It does not inherently enable repetition of a code block, so this option fails to fit the description.
Option 4: 'loop
execute again and again, in sequence, with different bits of data.' — This option describes a loop, which is a control structure that repeats a block of statements multiple times, typically using different data inputs each iteration. It matches the idea of repeating code without retyping or manually re-calling. The two-line phrasing emphasizes the repeated execution with varying data, which is characteristic of looping constructs.

A(n) _____ allows programmers to repeat a block of statements in their program without having to retype any of the actual code or explicitly define and call a method.单项选择题

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