 Generate Python 10 functions starting from the following 10 natural language (NL) descriptions:

  1. [NL description]
  2. [NL description]
  ...
  10. [NL description]

  Each function should be generated in a single line, for a total of 10 lines.
  Different instructions of the same function should be separated by the special character "\n".
  Do not use empty lines to separate functions.