```
class Solution:
def countAndSay(self, n):
"""
:type n: int
:rtype: str
"""
nums = ''
arr = ''
for i in range(n):
times = 1
for i, number in enumerate(nums):
if i == 0:
continue
elif number == nums[i - 1]:
times += 1
else:# i > 0 and nums[i - 1] != number
arr += str(times) + (nums[i - 1] if len(nums) else '')
times = (1 if i != len(nums) else 0)
if times:
arr += str(times) + (nums[i] if len(nums) else '')
arr, nums = '', arr
return nums
```