comefrom: <doocs>2185.Counting Words With a Given Prefix_1.py
code: def prefixCount( words: List[str], pref: str) -> int:
      return sum(w.startswith(pref) for w in words)
masked: def sample_funcname ( var_0 : List [ str ] , var_3 : str ) -> int :
      return sum ( var_6.startswith ( var_3 ) for var_6 in var_0 )
  