Parameter vs argument — same thing?

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1. HEHenryWrites9 Oct, 21:31replies: 2

   - Parameter: the name in the function definition — def burn(fuel): → fuel is a parameter.
   - Argument: the actual value you pass in the call — burn(40) → 40 is an argument.

   People mix them up all the time and everyone understands, but that's the precise difference.
   1. NONoahLoopsOP10 Oct, 07:11replies: 1

      Placeholder vs actual value. Clear, thanks!
      1. JAJackStack10 Oct, 13:48

         Yep, that error confused me until I realised it meant I forgot to pass a value.
2. GRGrace_4210 Oct, 12:57

   Error messages use them correctly, e.g. "missing 1 required positional argument", so it helps to know the difference.