递归_黑马程序员

# 计算1+2+3+...num的结果
# 
def sum_numbers(num):
    # 1.出口
    if num == 1:
        return 1

    # 2.数字的累加 num + (1...num-1)
    temp = sum_numbers(num - 1)
    return num + temp


result = sum_numbers(100)
print(result)