This PEP proposes to introduce a new syntax, /, for specifying positional-only parameters in Python function definitions. Positional-only parameters have no externally-usable name. When a function ...

This PEP proposes to introduce a new syntax, /, for specifying positional-only parameters in Python function definitions. Positional-only parameters have no externally-usable name. When a function ...

pythonはクラス外から任意のクラスメソッドを呼び出すと暗黙的に引数 self が渡されるため、クラスメソッドの引数1つ目に必ず self を取らなければならない、というルールがある。

When reading Python code or looking at official documentation, have you ever seen a "/ (slash)" included in a function definition? def format_date(year, month, day, /, separator="-"): ... Is it a ...