Python推导式应用

# -*- coding: utf-8 -*-
# @Author: 二师父
# @Time: 2020-08-27
# @Blog: https://blog.csdn.net/weixin_39181440/article/details/108262759
# @Describe: Python推导式


import re

案例 = True

if 案例:
	# 1.列表推导式
	l = [x for x in 'Python']
	print(l)

	# 2.字典推导式
	d = {y:x for x, y in enumerate('Python')}
	print(d)

	# 3.集合推导式
	s = {x for x in 'Python'}
	print(s)


应用 = True

if 应用:

	# 这是一个非标准Python数据结构
	str = '''
		{PrdCode:"T80264",PrdName:"招商银行挂钩黄金看涨三层区间三个月结构性存款（代码:T80264）",PrdBrief:"挂钩黄金看涨三层区间三个月结构性存款",TypeCode:"010011",AreaCode:"",Currency:"人民币",BeginDate:"2020-08-28",EndDate:"2020-09-03",ShowExpireDate:"2020-12-03",ExpireDate:"2020-12-03",Status:"A",NetValue:"",IsNewFlag:"False",Term:"91天-180天（含）",Style:"浮动收益型",InitMoney:"0",IncresingMoney:"0",Risk:"R1(保守型)",FinDate:"91",SaleChannel:"1|2|3|4",SaleChannelName:"网上|手机|PAD|网点",IsCanBuy:"false",REGCode:"",CapitalProtectName:"",RateFlag:"0",CRateType:"",RateLow:"",RateHigh:"",IsInfinite:"0",ShowExpectedReturn:"",ProxyText:"",IsSA:"0",saaCod:"",funCod:"",datCyl:"0",invUntName:"天",Id:"44354"}
	'''

	def turn_dict(data):
		return {x[0]:re.sub(r'^"|"$', '', x[1]) for x in [re.search(r'(.*?):(.+)', i).groups() for i in re.sub(r'^\s*{|}\s*$', '', data).split(',')]}

	data = turn_dict(str)
	print(data)
	print(data['PrdCode']) 

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