why sir has put underscore in this
Sir please explain this
Hello @kumarpratikkant,
In first you have not specified anything which needs to be iterated. So, it raises the error.
In the second you are using _ (underscore) for iterating now this _ is a unique character in python which helps users to write Python code productively.
Single standalone underscore _ is a valid character for a Python identifier, so it can be used as a variable name
Like for example for ignoring values.
a,_,b=3,4,5
print(a,b)
will output 35
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