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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 add_implicit_resolver(tag, regexp, first=None, Loader=Loader, Dumper=Dumper):
 """ Add an implicit scalar detector. If an implicit scalar value matches the given regexp, the corresponding tag is assigned to the scalar. first is a sequence of possible initial characters or None. """

    Loader.add_implicit_resolver(tag, regexp, first)
    Dumper.add_implicit_resolver(tag, regexp, first)