代码如下: # -*- coding:utf-8 -*- import wx from math import * class Calculator(wx.Frame): def __init__(self): wx.Frame.__init__(self, None, -1, "计算器", size=(350, 480), style=wx.DEFAULT_FRAME_STYLE ^ (wx.RESIZE_BORDER |wx.MINIMIZE_BOX | wx.MAXIMIZE_BOX)) panel = ...
/bin/env python # -*- coding: cp936 -*- # above for resolve chinese issue importwx importmath classMyFrame(wx.Frame): def__init__(self): wx.Frame.__init__(self,None, -1,"计算器Calculator", size=(270,250)) panel = wx.Panel(self, -1) self.textBox1 = wx.TextCtrl(panel, -...
>>tc.calculator('1+2*3') >>tc.talk() 输出:hi,my value is 7 改成脚本后的代码如下: 1#!/usr/bin/env python2#coding=TUF834classCalculator:5defcalculator(self,expression):#函数定义()中都是逗号‘,’6self.value = eval(expression)#eval()是一个函数78classTalker:9deftalk(self):10print"h...
一个计算器最主要的功能是加减乘除,那么用 python 可以怎样实现呢#! usrbinenv python# -*- coding:utf-8 -*-# @time : 2018122 22:29# @author :zhouyuyao# @file : daemoncalculator.py# pycharm 2017. 3.2 (community edition)# build #pc-173.4127. 16, built on december 19, 2017# jre: 1. ...
#!/usr/bin/env python #coding:utf-8 __metaclass_=type class calculator: def __init__(self,a,b): self.a=int(a) self.b=int(b) def myadd(self): return self.a+self.b def mysubs(self): return self.a-self.b def mymultiply(self): return self.a*self.b def mydivide(self): tr...
#!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Dang import re def update_formula(calc_list,calc_operator_list): # 通过拆分后的表达式列表与符号列表重新组合 for index,item in enumerate(calc_list): if index == 0: formula = item elif index != 0: formula += calc_operator_...
如上图所示,PyCharm 提供 Intelligent Coding Assistance 功能,可以执行代码补全、代码检查、错误高亮显示和快速修复建议。比如键入 main 并点击 tab 键,PyCharm 会自动补全整个 main 从句。 此外,如果你在条件句前忘记键入 if,在该句子最后增添.if 并点击 Tab 键,PyCharm 将修复该 if 条件句。该用法同样适用于 ...
/usr/bin/env Python# coding=utf-8class Calculator(object):is_raise = Falsedef calc(self, express):try:return eval(express)except ZeroDivisionError:if self.is_raise:print "zero can not be division."else:raise 在这里,应用了一个函数 eval() ,它的含义是:...
Once the patterns are understood it is possible to do virtually everything that you can do with the Field Calculator, a Join or a Summary table using an update cursor or a python dictionary.Using these coding techniques I have been able to rewrite several scriptsthat did bulk Data...
defcalculator(salary):''' 税后工资计算器''' point=3500yanglao_rate=0.08hospital_rate=0.02losejob_rate=0.01basemoney_rate=0.2five_one_money=salary*(yanglao_rate+hospital_rate+losejob_rate+basemoney_rate)rest_money=salary-five_one_money-point ...