<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is a variable in programming languages? Context: A variable in programming languages is a storage location identified by a memory address and symbolic name containing information. Answer: [/INST]A variable is a storage location identified by a memory address and a symbolic name, which contains some known or unknown quantity of information.</s>