Let's discuss something very interesting and useful improvement introduced in python3.8 (PEP 570), the position-only parameters, This is a function parameter syntax `/ ` to indicate that some function parameters must be specified positionally and cannot be used as keyword arguments.
In above function parameter are explained as:
pos1, pos2 - position-only parameters
/ - tells us that the parameters appearing before this sign are position-only.
pos_or_kw1, pos_or_kw2 - position-or-keyword parameters
* - tells us that the parameters appearing before this sign are of position-or-keyword type.
kw1, kw2 - keyword-only parameters
e.g. min(arg1, arg2)
Note: Do not use position-only parameters when parameter names have meaning and the function definition is more understandable by being explicit with names, go with keyword-only parameters instead.
e.g. namedtuple(typenames, field_names, …)
different functions calls for `pow` would be like below style:
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