def draw1(a): a=[] if a==0: print('请进行双十一抽奖') itemsv=['a','b','c','d','e','f'] for i in a: if i<10: itemsv[:3] elif i>=10: itemsv[3:6] return itemsv

这段代码中的问题在于，函数的参数a在函数内部被重新赋值为空列表[]，这将导致函数无法接收外部传入的参数。同时，函数内部缺少对a参数是否为空的判断，应该使用if not a来判断a是否为空。另外，函数内部的循环语句没有正确地对itemsv进行修改，应该使用切片方式进行修改。以下是修改后的代码：

def draw1(a):
    if not a:
        print('请进行双十一抽奖')
        return []
    itemsv = ['a', 'b', 'c', 'd', 'e', 'f']
    result = []
    for i in a:
        if i < 10:
            result += itemsv[:3]
        elif i >= 10:
            result += itemsv[3:6]
    return result

相关问题

import random import time import csv import os from datetime import datetime users={} for i in range(4): users_id=random.randint(0,10) users_score=random.randint(-8000,8000) users[users_id]=users_score with open('updates.csv','a')as f: csv_re=csv.writer(f) csv_re.writerow([users_id,users_score]) print(f'积分变动：{users_id} {users_score}') def aaa(): global users_id global users_score with open('updates.csv','r')as f: csv_re=csv.reader(f) for row in csv_re: users_id,users_score=row users_id=int(users_id) users_score=int(users_score) users[users_id]+=users_score if users[users_id]<0: users[users_id]=0 return users def bbb(): with open('Candidates.csv','w')as f: csv_re=csv.writer(f) csv_re.writerow([users_id,users_score]) def ccc(): global prize_winner weight=[] prize_winner=[] for uid,users_score in users.items(): if users_score >=3000: weight.append(3) elif users_score >=2000: weight.append(2) elif users_score >=1000: weight.append(1) else: weight.append(0) winner1=random.choices(list(users.keys()),weight) prize_winner.append(winner1[0]) print(f'一等奖:{prize_winner[0]}') def ddd(): winner2 = random.sample(list(users.keys()),2) prize_winner.append(winner2[0][1]) print(f'二等奖：{prize_winner[1]}') del users[prize_winner[1]] def timer(): nowtime=datetime.now() while True: if nowtime.weekday()==2 and nowtime.hour==22 and 0<=nowtime.minute<=60: return True else: return False for i in range(3): while not timer(): time.sleep(60) print(f'第{i+1}轮抽奖开始：') aaa() bbb() ccc() ddd() time.sleep(12) today_date_str=datetime.now().strftime('%Y_%m_%d') os.rename('updates.csv','{}.csv'.format(today_date_str))修改此段代码并且写出新代码

修改建议：

1. 代码缩进不规范，需要统一缩进方式；
2. 函数名不够清晰，需要更改为更能表示其功能的名称；
3. 函数之间没有明确的调用关系，需要添加调用关系。

新代码如下：

import random
import time
import csv
import os
from datetime import datetime

# 初始化用户积分信息
users = {}
for i in range(4):
    users_id = random.randint(0, 10)
    users_score = random.randint(-8000, 8000)
    users[users_id] = users_score
    with open('updates.csv', 'a') as f:
        csv_re = csv.writer(f)
        csv_re.writerow([users_id, users_score])
    print(f'积分变动：{users_id} {users_score}')


def update_scores():
    global users_id
    global users_score
    with open('updates.csv', 'r') as f:
        csv_re = csv.reader(f)
        for row in csv_re:
            users_id, users_score = row
            users_id = int(users_id)
            users_score = int(users_score)
            users[users_id] += users_score
            if users[users_id] < 0:
                users[users_id] = 0
    return users


def write_candidates():
    with open('Candidates.csv', 'w') as f:
        csv_re = csv.writer(f)
        for uid, users_score in users.items():
            csv_re.writerow([uid, users_score])


def draw_first_prize():
    weight = []
    for uid, users_score in users.items():
        if users_score >= 3000:
            weight.append(3)
        elif users_score >= 2000:
            weight.append(2)
        elif users_score >= 1000:
            weight.append(1)
        else:
            weight.append(0)
    winner1 = random.choices(list(users.keys()), weight)
    prize_winner = [winner1[0]]
    print(f'一等奖:{prize_winner[0]}')
    return prize_winner


def draw_second_prize(prize_winner):
    winner2 = random.sample(list(users.keys()), 2)
    prize_winner.append(winner2[0])
    print(f'二等奖：{prize_winner[1]}')
    del users[prize_winner[1]]


def is_draw_time():
    nowtime = datetime.now()
    if nowtime.weekday() == 2 and nowtime.hour == 22 and 0 <= nowtime.minute <= 60:
        return True
    else:
        return False


for i in range(3):
    while not is_draw_time():
        time.sleep(60)
    print(f'第{i+1}轮抽奖开始：')
    update_scores()
    write_candidates()
    prize_winner = draw_first_prize()
    draw_second_prize(prize_winner)
    time.sleep(12)

today_date_str = datetime.now().strftime('%Y_%m_%d')
os.rename('updates.csv', '{}.csv'.format(today_date_str))

新代码修改了函数名，添加了调用关系，使得代码更加清晰易懂。同时，修改了代码缩进方式，使得代码风格更加规范。

#随机抽奖 import random x=open("chojiang.txt","r",encoding="UTF-8") #x是文件对象 y=x.read() shulist=y.split('\n')#把字符串y里面的字符串分割为多个放在列表 shulist = list(set(shulist)) # 去重 print("开始抽奖") while True: if not shulist: shulist.remove(random.choice(shulist)) break print("本次抽奖结果为：", random.choice(shulist)) shulist.remove(random.choice(shulist)) # 抽到过的不会再被点到 print(shulist) a = input("是否继续抽奖[1续/0结束]： ") while a not in ['0', '1']: a = input("请输入正确选项[0或1]： ") if a == '0': break

这段代码主要是实现了一个简单的抽奖功能，但是可以进行一些优化和完善。以下是一些可能的改进：

1. 在抽奖前对输入的文件路径进行检查，以避免出现文件不存在等异常情况。

2. 在打开文件时，可以使用 with 语句来确保文件对象被正确关闭，避免文件泄漏等问题。

3. 可以将文件读取和去重的操作封装成函数，以提高代码的可读性和复用性。

4. 可以添加一些异常处理机制，以避免出现不可预知的错误。

5. 可以增加一些用户交互界面，如输入抽奖人数、奖项等，以使程序更加灵活。

6. 可以将抽奖结果写入文件，以便后续查看。

下面是一个可能的改进版本的代码：

import os
import random

def read_file(path):
    """
    读取文件内容并去重
    :param path: 文件路径
    :return: 包含不重复字符串的列表
    """
    if not os.path.exists(path):
        raise FileNotFoundError("文件不存在")
    with open(path, "r", encoding="utf-8") as f:
        content = f.read()
    content = content.strip().split("\n")
    return list(set(content))

def draw_lottery(data):
    """
    抽奖函数
    :param data: 包含抽奖对象的列表
    """
    print("开始抽奖")
    while True:
        if not data:
            break
        result = random.choice(data)
        data.remove(result)
        print("本次抽奖结果为：", result)
        a = input("是否继续抽奖[1续/0结束]：  ")
        while a not in ['0', '1']:
            a = input("请输入正确选项[0或1]：  ")
        if a == '0':
            break
    print("抽奖结束")

if __name__ == "__main__":
    path = input("请输入文件路径：")
    try:
        data = read_file(path)
    except FileNotFoundError:
        print("文件不存在，请重新输入")
    else:
        draw_lottery(data)