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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 json(self):
 """Produce a JSON representation for the web interface"""

        d = { 'id': self.id, 'format': self.formatclass.__name__,'label': self.label, 'mimetype': self.formatclass.mimetype,  'schema': self.formatclass.schema }
        if self.unique:
            d['unique'] = True
        if self.filename:
            d['filename'] = self.filename
        if self.extension:
            d['extension'] = self.extension
        if self.acceptarchive:
            d['acceptarchive'] = self.acceptarchive
        #d['parameters'] = {}

        #The actual parameters are included as XML, and transformed by clam.js using XSLT (parameter.xsl) to generate the forms
        parametersxml = ''
        for parameter in self.parameters:
            parametersxml += parameter.xml()
        d['parametersxml'] = '<?xml version="1.0" encoding="utf-8" ?><parameters>' + parametersxml + '</parameters>'
        d['converters'] = [ {'id':x.id, 'label':x.label} for x in self.converters ]
        d['inputsources'] = [ {'id':x.id, 'label':x.label} for x in self.inputsources ]

        return json.dumps(d)