题目:关于以下程序,说法正确的个数有()个。def count (N):····if (N <= 0):········return "请输入一个正整数"····if (N > 9):········return “计数结束”····else:········return count(N+1)print(count(6))(1)count是一个递归函数;(2)函数的基例是N<=0;(3)函数的基例是N > 9;(4)调用count(6)时,count函数返回前被调用5次;(5)调用count(6)时,count函数返回前被调用4次;
4个
2个
3个
1个