what can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

The answer to the riddle "what can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps" is a river. There were no relevant search results for this riddle. However, the search results provided information about programming languages such as Rust, C++, Python, and Cobol. Rust is a programming language that has been gaining popularity among developers due to its speed and safety features. C++ is a widely used general-purpose programming language that is recommended for performance-sensitive backend services. Python is one of the most popular programming languages and is recommended for data science and machine learning applications. Cobol is a programming language that was based on Rear Admiral Grace Hoppers 1940s work on the FLOW-MATIC programming language.