from collections import Counter
arr = ["python", "c", "c", "java", "cpp", "c", "python"]
k = 2
frequentWords = Counter(arr)
for index, (key, value) in enumerate(frequentWords.items()):
print(key, '-', value)
if (index == k - 1):
break
'''
run:
python - 2
c - 3
'''