Qk4j2z - Online IDE & Debugging Tool

import random

def coin_toss():
    """模拟掷硬币，返回正面或反面"""
    return random.choice(['正面', '反面'])

def main():
    # 设置试验参数
    total_runs = 5      # 总轮数
    tosses_per_run = 100  # 每轮掷硬币次数

    # 初始化总体统计
    overall_heads = 0
    overall_tails = 0

    print(f"将进行 {total_runs} 轮试验，每轮 {tosses_per_run} 次掷硬币\n")

    for run in range(1, total_runs + 1):
        # 执行单轮试验
        heads_count = 0
        for _ in range(tosses_per_run):
            result = coin_toss()
            if result == '正面':
                heads_count += 1

        tails_count = tosses_per_run - heads_count

        # 更新总体统计
        overall_heads += heads_count
        overall_tails += tails_count

        # 计算本轮比例
        heads_ratio = heads_count / tosses_per_run * 100
        tails_ratio = tails_count / tosses_per_run * 100

        # 输出本轮结果
        print(f"第 {run} 轮结果：")
        print(f"  正面出现 {heads_count} 次 ({heads_ratio:.2f}%)")
        print(f"  反面出现 {tails_count} 次 ({tails_ratio:.2f}%)\n")

    # 计算总体比例
    total_tosses = total_runs * tosses_per_run
    overall_heads_ratio = overall_heads / total_tosses * 100
    overall_tails_ratio = overall_tails / total_tosses * 100

    # 输出总体结果
    print(f"===== 总体统计 =====")
    print(f"共掷硬币 {total_tosses} 次")
    print(f"正面出现 {overall_heads} 次 ({overall_heads_ratio:.2f}%)")
    print(f"反面出现 {overall_tails} 次 ({overall_tails_ratio:.2f}%)")

if __name__ == "__main__":
    main()