Accessing the name of an actual parameter

[Gary Herron]

Gary Herron wrote:
> Hellmut Weber wrote:
>> Hi,
>>
>> consider the following piece of code, please
>>
>> ----- -----
>>
>> def f(param):
>>   nameOfParam = ???
>>   # here I want to access the name of the variable
>>   # which was given as parameter to the function
>>   print nameOfParam, param
>>   return
>>
>> if __name__ == __main__:
>>
>>   a = 1
>>   f(a)
>>
>>   b = 'abcd'
>>   f(a)
>>
>> ----- -----
>>
>> The output should be:
>>
>> 'a' 1
>> 'b' 'abcd'
>>
>> ----- -----
>>
>> I tried to look at globals() and locals(), gave a look to the frames
>> (sys._getframe(0) and sys._getframe(1),
>> but did not see a possibility to access the information a want
>>
>> How can this be done?
>>
>> TIA
>>
>> Hellmut
>>
>>
>
> It's naive to think this question even makes sense.  There are many 
> ways f can be called which don't involve a parameter:
That's worded poorly, Rather I should have said: "don't involve a 
parameter that comes from a single variable."
>
> f(42)
> f(time())
> f(a+123)
> f(sin(a))
> f(f(1))
>
> and so on.
> Cheers,
> Gary Herron
>