これはコーディング固有の問題ではないことは承知していますが、このような質問をするのに最適な場所です。ご容赦ください。
以下のような辞書があり、各人の好きな項目が 10 個リストされているとします。
likes={
"rajat":{"music","x-men","programming","hindi","english","himesh","lil wayne","rap","travelling","coding"},
"steve":{"travelling","pop","hanging out","friends","facebook","tv","skating","religion","english","chocolate"},
"toby":{"programming","pop","rap","gardens","flowers","birthday","tv","summer","youtube","eminem"},
"ravi":{"skating","opera","sony","apple","iphone","music","winter","mango shake","heart","microsoft"},
"katy":{"music","pics","guitar","glamour","paris","fun","lip sticks","cute guys","rap","winter"},
"paul":{"office","women","dress","casuals","action movies","fun","public speaking","microsoft","developer"},
"sheila":{"heart","beach","summer","laptops","youtube","movies","hindi","english","cute guys","love"},
"saif":{"women","beach","laptops","movies","himesh","world","earth","rap","fun","eminem"}
"mark":{"pilgrimage","programming","house","world","books","country music","bob","tom hanks","beauty","tigers"},
"stuart":{"rap","smart girls","music","wrestling","brock lesnar","country music","public speaking","women","coding","iphone"},
"grover":{"skating","mountaineering","racing","athletics","sports","adidas","nike","women","apple","pop"},
"anita":{"heart","sunidhi","hindi","love","love songs","cooking","adidas","beach","travelling","flowers"},
"kelly":{"travelling","comedy","tv","facebook","youtube","cooking","horror","movies","dublin","animals"},
"dino":{"women","games","xbox","x-men","assassin's creed","pop","rap","opera","need for speed","jeans"},
"priya":{"heart","mountaineering","sky diving","sony","apple","pop","perfumes","luxury","eminem","lil wayne"},
"brenda":{"cute guys","xbox","shower","beach","summer","english","french","country music","office","birds"}
}
また、ユーザーベースまたはアイテムベースのフィルタリングの適切な例またはチュートリアルを教えていただけると助かります。