python根据字典的key获取对应的value值进⾏判断# -*- coding:utf-8 -*- def pred(dayToday, fields):
'''
:param dayToday: 当前⽇期
:return:
'''
day_threshold ={'1':0.1,'2':0.2,'3':0.3,'4':0.4,'5':0.5,'6':0.6,'7':0.7}# ⽇期-阈值字典
if str(dayToday)in day_threshold.keys():# 判断⽇期是否在字典的key中
threshold = day_threshold[str(dayToday)]# 获取⽇期对应key的value值
print(threshold)
# if float(fields['a']) / float(fields['b']) < day_threshold[str(dayToday)]:
if float(10.0)/float(100.0)< threshold:
return True
else:
return False
else:
return False
dayToday =3
fields =None
overUsed = pred(dayToday, fields)# 调⽤函数
print(overUsed)
输出结果如下:
0.3
True