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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 satisfies(self, requirement, allow_prereleases=None):
 """Determine whether this package matches the requirement. :param requirement: The requirement to compare this Package against :type requirement: string or :class:`pkg_resources.Requirement` :param Optional[bool] allow_prereleases: Whether to allow prereleases to satisfy the `requirement`. :returns: True if the package matches the requirement, otherwise False """

    requirement = maybe_requirement(requirement)
    link_name = safe_name(self.name).lower()
    if link_name != requirement.key:
      return False

    # NB: If we upgrade to setuptools>=34 the SpecifierSet used here (requirement.specifier) will
    # come from a non-vendored `packaging` package and pex's bootstrap code in `PEXBuilder` will
    # need an update.
    return requirement.specifier.contains(self.raw_version, prereleases=allow_prereleases)