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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 make_mapping(args):
 """Make a mapping from the name=value pairs."""

    mapping = {}

    if args:
        for arg in args:
            name_value = arg.split('=', 1)
            mapping[name_value[0]] = (name_value[1]
                                      if len(name_value) > 1
                                      else None)

    return mapping