def countMaxConsecutiveSetOfNumbers(lst) :
size = len(lst)
st = set()
i = 0
while (i < size) :
st.add(lst[i])
i += 1
mx = 0
i = 0
while (i < size) :
if (lst[i] in st) :
temp = lst[i]
while (temp in st) :
temp += 1
mx = max(mx,temp - lst[i])
i += 1
return mx
lst = [22, 3, 21, 32, 24, 31, 4, 99, 23]
# 21 22 23 24
print(countMaxConsecutiveSetOfNumbers(lst))
'''
run:
4
'''