python计算一个整数列表中所有元素的平均值

def calculate_average(numbers):

   total = sum(numbers)

   average = total / len(numbers)

   return average

# 示例输入

number_list = [1, 2, 3, 4, 5]

# 调用函数并打印结果

average_value = calculate_average(number_list)

print("平均值为:", average_value)