#想要实现如果当输入<0 程序还会继续要求输入而不是直接退出
while True:
n=eval(input('请输入n的值:'))
if n>0:
s = 1
i = n
while i >= 1:
s = s * i
i -= 1
print('{}!={}'.format(n, s))
else:
print('error!')
continue
不知道是不是和continue的位置有关系还是应该再加一个循环之类的
看了半天没看出问题,我自己测试了也没问题:
其实就是以字典的形式指定参数,看一下例子就明白了。
from pymongo import MongoClient
from apscheduler.schedulers.blocking import BlockingScheduler
from apscheduler.jobstores.memory import MemoryJobStore
from apscheduler.jobstores.mongodb import MongoDBJobStore
from apscheduler.executors.pool import ThreadPoolExecutor, ProcessPoolExecutor
# MongoDB 参数
host = '127.0.0.1'
port = 27017
client = MongoClient(host, port)
# 输出时间
def job():
print("jon executed")
# 存储方式配置
jobstores = {
'mongo': MongoDBJobStore(collection='job', database='test', client=client),
'default': MemoryJobStore()
}
# 执行器配置
executors = {
'default': ThreadPoolExecutor(10),
'processpool': ProcessPoolExecutor(3)
}
job_defaults = {
'coalesce': False,
'max_instances': 3
}
scheduler = BlockingScheduler(jobstores=jobstores, executors=executors, job_defaults=job_defaults)
scheduler.add_job(job, 'interval', seconds=5, jobstore='mongo')
scheduler.start()