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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def GetHashers(cls, hasher_names):
 """Retrieves instances for all the specified hashers. Args: hasher_names (list[str]):
 names of the hashers to retrieve. Returns: list[BaseHasher]: hashers. """

    hashers = []
    for hasher_name, hasher_class in iter(cls._hasher_classes.items()):
      if hasher_name in hasher_names:
        hashers.append(hasher_class())

    return hashers