сортировка текста на количество повторений в нем

with open(r'C:\Pyton\dataset_3363_2.txt') as inf:
    ishod=[]
    for line in inf:
        line=line.replace('\n', ' ').lower().split()
        ishod=ishod+line

slovar={}

for x in ishod:
    if (ishod.count(x)) in slovar:

        if (slovar[ishod.count(x)][0])<x:slovar[ishod.count(x)]=x
        continue
    slovar[(ishod.count(x))]=[x]

print(slovar[(max(slovar.keys()))], max(slovar))