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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 get_target_chemblid(target_upid):
 """Get ChEMBL ID from UniProt upid Parameters target_upid : str Returns ------- target_chembl_id : str """

    url = 'https://www.ebi.ac.uk/chembl/api/data/target.json'
    params = {'target_components__accession': target_upid}
    r = requests.get(url, params=params)
    r.raise_for_status()
    js = r.json()
    target_chemblid = js['targets'][0]['target_chembl_id']
    return target_chemblid