from urllib import parse

url='_from=R40&LH_BIN=1&_sop=13&LH_Complete=1&LH_Sold=1&_udlo=24&_udhi=48&_ipg=200&_pgn=1&_skc=0'

res = dict(parse.parse_qsl(url))

print(res)

或：

res={k.split('=')[0]: k.split('=')[1] for k in url.split('&')}

或：

res=dict(k.split('=') for k in url.split('&'))

>>>

{'_from': 'R40', 'LH_BIN': '', '_sop': '', 'LH_Complete': '', 'LH_Sold': '', '_udlo': '', '_udhi': '', '_ipg': '', '_pgn': '', '_skc': ''}

反过来：

res={'_from': 'R40', 'LH_BIN': '', '_sop': '', 'LH_Complete': '', 'LH_Sold': '', '_udlo': '', '_udhi': '', '_ipg': '', '_pgn': '', '_skc': ''}

parameters = parse.urlencode(res)

print(parameters)

>>>

_from=R40&LH_BIN=1&_sop=13&LH_Complete=1&LH_Sold=1&_udlo=24&_udhi=48&_ipg=200&_pgn=1&_skc=0