for i in range(30): users_id = random.randint(0, 10) # 变动过程中保证积分不会为负，随机数下限为users_id对应当前积分的相反数-users[users_id] delta_score = random.randint(-users[users_id], 5000) users[users_id] += delta_score with open('updates.csv', 'a') as f: csv_re = csv.writer(f) csv_re.writerow([users_id, delta_score]) print(f'积分变动：{users_id} {delta_score}')怎样改成不定时发生事件

你可以使用Python的时间模块中的sleep函数来实现不定时事件。具体来说，你可以在每次循环前生成一个随机的等待时间，然后使用sleep函数让程序暂停一段时间，再执行接下来的代码。示例代码如下：

import random
import time
import csv

users = [0] * 11

while True:
    # 生成随机的等待时间
    wait_time = random.uniform(1, 5)
    time.sleep(wait_time)  # 暂停一段时间

    users_id = random.randint(0, 10)
    delta_score = random.randint(-users[users_id], 5000)
    users[users_id] += delta_score

    with open('updates.csv', 'a') as f:
        csv_re = csv.writer(f)
        csv_re.writerow([users_id, delta_score])

    print(f'积分变动：{users_id} {delta_score}')

在这个示例代码中，程序会在每次循环前生成一个介于1到5之间的随机等待时间，然后暂停相应的时间，再执行接下来的代码。这样就可以模拟不定时事件的发生了。

相关问题

from datetime import datetime users={} for i in range(4): users_id=random.randint(0,10) users_score=random.randint(-1000,1000) users[users_id]=users_score with open('updates,csv','a')as f: csv_re=csv.writer(f) csv_re.writer

It seems like your code is incomplete and there is an error in the last line. It should be `csv_re.writerow([users_id, users_score])` instead of `csv_re.writer`. Also, you need to import the `random` module to use the `randint` function. Here's the corrected code:

import csv
import random
from datetime import datetime

users = {}
for i in range(4):
    users_id = random.randint(0, 10)
    users_score = random.randint(-1000, 1000)
    users[users_id] = users_score

with open('updates.csv', 'a') as f:
    csv_re = csv.writer(f)
    for user_id, user_score in users.items():
        csv_re.writerow([user_id, user_score, datetime.now()])

This code generates 4 random user IDs and scores, adds them to a dictionary, and writes them to a CSV file along with the current timestamp. Each row in the CSV file will have three columns: `user_id`, `user_score`, and `timestamp`.

users={} for i in range(4): users_id=random.randint(0,10) users_score=random.randint(-1000,1000) 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(): with open('updates.csv','r')as f: csv_re=csv.reader(f) for row in csv_re: users_id,users_score=row users[users_id]+=users_score if users[users_id]<0: users[users_id]=0 return users if users[users_id]>=3000: weight=3 elif users[users_id]>=2000: weight=2 elif users[users_id]>=1000: weight=1 else: weight=0 prize_winner=random.choices([users_id],[weight]) print(f'i:一等奖:prize_winner') del users[prize_winner]这段代码有什么问题

这段代码存在以下问题：

1. 在函数`aaa()`中，`users_id`变量没有定义，应该在函数外先定义。
2. 在计算中奖者时，应该使用`list(users.keys())`作为可选项，而不是`[users_id]`。
3. 在计算中奖者时，`random.choices()`方法的第二个参数应该是权重列表，而不是单个权重数字。
4. 在输出中奖者时，应该使用`prize_winner[0]`，而不是`prize_winner`。并且应该使用`f-string`来输出中奖者的信息。

经过修正后的代码如下所示：

import random
import csv

users = {}

# 生成4个用户并记录到csv文件中
for i in range(4):
    users_id = random.randint(0, 10)
    users_score = random.randint(-1000, 1000)
    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(users):
    for row in csv.reader(open('updates.csv', 'r')):
        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

    # 计算中奖者
    weight_list = []
    for uid, score in users.items():
        if score >= 3000:
            weight_list.append(3)
        elif score >= 2000:
            weight_list.append(2)
        elif score >= 1000:
            weight_list.append(1)
        else:
            weight_list.append(0)
    prize_winner = random.choices(list(users.keys()), weight_list)
    print(f'一等奖：{prize_winner[0]}')
    del users[prize_winner[0]]
    return users

users = aaa(users)