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In computer programming, loops are used to execute a block of code multiple times. This can be helpful when you need to perform a certain operation repeatedly or iterate over a collection of data.

There are several types of loops that can be used in programming, including:

1. While Loop: This loop executes a block of code as long as a specified condition is true. It is useful when the number of iterations is not known in advance.

2. For Loop: This loop executes a block of code a specific number of times, usually based on a counter variable. It is useful when the number of iterations is known in advance.

3. Do-While Loop: This loop is similar to the while loop, but it always executes the block of code at least once before checking the condition. It is useful when you want to ensure that a certain code block runs at least once.

4. For-Each Loop: This loop is used to iterate over elements in a collection, such as an array or a list. It automatically handles the iteration process and eliminates the need for maintaining a counter variable.

The choice of loop depends on the specific situation and the requirements of the program. It is important to use loops carefully to avoid infinite loops, 해외선물거래소 where the loop condition is always true and the loop never terminates.

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