Challenge

Solution validation

The aim of this challenge is to write code that can analyze code submissions. We'll simplify things a lot to not make this too hard.

Write a function named validate that takes code represented as a string as its only parameter.

Your function should check a few things:

• the code must contain the def keyword
  • otherwise return "missing def"
• the code must contain the : symbol
  • otherwise return "missing :"
• the code must contain ( and ) for the parameter list
  • otherwise return "missing paren"
• the code must not contain ()
  • otherwise return "missing param"
• the code must contain four spaces for indentation
  • otherwise return "missing indent"
• the code must contain validate
  • otherwise return "wrong name"
• the code must contain a return statement
  • otherwise return "missing return"

If all these conditions are satisfied, your code should return True.

Here comes the twist: your solution must return True when validating itself.

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