A programmer is working on a new project and encounters a complex problem. They are tempted to spend a lot of time trying to solve the problem on their own. However, a colleague advises them to research existing solutions first.

What is the colleague's advice based on?

A. The colleague believes that the programmer should ask someone with more experience to solve this problem.
B. The colleague believes that the programmer should not trust their own abilities to solve the problem.
C. The colleague believes that the programmer should not try to be innovative.
D. The colleague believes that the programmer should not waste time reinventing something that already exists.

The colleague's advice is based on the belief that the programmer should not waste time reinventing something that already exists. By researching existing solutions, the programmer can save time and effort by leveraging available resources. This approach promotes efficiency and can lead to better solutions through collaboration and learning from established methods.

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