"""
测试代码 - 包含多个常见错误和问题
"""

def calculate_average(numbers)
    total = 0
    count = 0
    for num in numbers
        total += num
        count += 1
    average = total / count
    return average

def find_max(numbers):
    max_value = 0
    for num in numbers:
        if num > max_value:
            max_value = num
    return max_value

def process_data(data):
    result = []
    for item in data:
        if item > 0:
            result.append(item * 2)
        if item < 0:
            result.append(abs(item))
    return result

def create_user(name, age):
    user = {
        "name": name,
        "age": age,
    }
    return user

def main():
    numbers = [10, 20, -5, 30, 15, -10]
    
    avg = calculate_average(numbers)
    print("平均值:", avg)
    
    max_num = find_max(numbers)
    print("最大值:", max_num)
    
    processed = process_data(numbers)
    print("处理结果:", processed)
    
    user = create_user("张三", 25)
    print("用户信息:", user)

if __name__ == "__main__":
    main()