graphql/language/printer.py
def join(strings: Optional[Sequence[str]], separator: str = "") -> str:
    """Join strings in a given sequence.

    Return an empty string if it is None or empty, otherwise join all items together
    separated by separator if provided.
    """
    return separator.join(s for s in strings if s) if strings else ""
Join strings in a given sequence.

    Return an empty string if it is None or empty, otherwise join all items together
    separated by separator if provided.
    
Join strings in a given sequence.
Return an empty string if it is None or empty, otherwise join all items together
separated by separator if provided.
Join strings in a given sequence . Return an empty string if it is None or empty otherwise join all items together separated by separator if provided .
def join(strings: Optional[Sequence[str]], separator: str = "") -> str:
    return separator.join(s for s in strings if s) if strings else ""
def join ( strings : Optional [ Sequence [ str ] ] , separator : str = "" ) -> str : return separator . join ( s for s in strings if s ) if strings else ""
Join strings in a given sequence.
Join strings in a given sequence .
"""Join strings in a given sequence.

    Return an empty string if it is None or empty, otherwise join all items together
    separated by separator if provided.
    """
strings
Optional[Sequence[str]]
separator
str