k={1,2,3,4}
v={2,3,5,6}

spisok_mozhestv=[k,v]
print(a)
slovar={'mat':k,'bio':v}
def get_key(d,value):
    for t,n in d.items():
        if n==value:
            return t
def vivod(a):
    for i in range (0,len(a)-1):
        for j in range (1,len(a)):
            if len(a[i]&a[j])>=2:
                print(get_key(slovar,a[i]),get_key(slovar,a[j]))

vivod(spisok_mozhestv)