Question: What is a lambda function ?

  1. any function that makes use of scientific or mathematical constants, often represented by Greek letters in academic writing
  2. a function that get executed when decorators are used
  3. any function whose definition is contained within five lines of code or fewer
  4. a small, anonymous function that can take any number of arguments but has only expression to evaluate

Answer: The correct answer of the above question is Option D:a small, anonymous function that can take any number of arguments but has only expression to evaluate