assume balance

Python3 Shopping Cart applet, balance write file Save#!/usr/bin/env python#-*-coding:utf-8-*-# Author:hiuhung wangoods = (("MiNote3", 2499), ("Bike", 799), ("MACB Ook ", 6999), (" Coffee ", +), (" RedMiNote3 ", 1099), (" Python 3 ", ()) def main ():" Entry: Return: " # Create a file to store the balance. Try:with open (' Balance.txt ', ' R ') as F:data_str = F.read () if Data_str and (not data_str.is

In modern life, balance seems to be a hot word, and people seem to like to pursue balance in everything. Balance the meal, find the balance point of work and rest, the balance point in the building and so on. Just like a person, even if the facial features are not particular

The discovery of the problem [Example] a fixed asset of an enterprise is assumed to be the original value of 400,000 yuan, the expected service life is 5 years, the net residual value is expected to be 4%, the use of double declining balance method to calculate the annual depreciation costs. Solution: Using the built-in financial functions of the Chinese Excel 97/2000, DDB (cost,salvage,life,period,factor) solves the problem. 1. The DDB () function

each empty node is the same. More Wonderful content: http://www.bianceng.cnhttp://www.bianceng.cn/Programming/sjjg/ Find Before we can balance the 2-3 trees, let's assume we're in equilibrium, and we'll look at the basic lookup operations first. The 2-3 tree lookup and the two Fork lookup tree are similar, to determine whether a tree belongs to a 2-3 tree, we first compare it to the node, and if it i

The easiest way to set white balance accurately is to use the white Balance Selector tool to correct the neutral color area in the photo. The so-called neutral color area refers to the region that does not contain the color, in which the number of R, G, b three channels in the area is exactly equal. Although there is a "white" in the name of the white balance, it

The last time I went to interview Microsoft intern, the interviewer asked me a question. There are 12 balls, a defective product, and a balance. It is called three times to determine which one is a defective product. What is the title? At that time, I hesitated first. I first asked him: Do you know whether the defective products are light or heavy? He told me not to know. I am so confused. What should I do. I first thought about it and divided 12 ball

A few days ago we reported that Mr. Huang balance treasure 40,000 yuan of money inexplicably stolen news, Mr. Huang said he still has a certain degree of security knowledge, download the security controls, the operation requires mobile phone dynamic text messages, even if it is so safe to look like the setting, 40,000 dollars or in Mr. Huang did not know the situation turned away, Later, when Alipay contacted Mr. Huang, he was informed of the situatio

Title Link: http://poj.org/problem?id=1837Balance Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 10983 Accepted: 6824 DescriptionGigel has a strange "balance" and he wants to poise it. Actually, the device is different from any and ordinary balance.It orders arms of negligible weight and each arm's length is 15. Some Hooks is attached to these arms and Gigel wants to hang up S

Parentheses Balance You are given a string consisting of parentheses () and []. A string of this type was said to being correct: (a) If it is the empty string (b) If A and B were correct, AB is correct, (c) If A is correct, (a) and [a] is correct. Write a program, takes a sequence of strings of this type and check their correctness. Your program can assume, the maximum string length is 128. Input

lamp changed to tungsten lighting, will be aware of the color of white paper is red, but this feeling can only last a while. The CCD camera does not have the same adaptability as the human eye, so if the color adjustment of the camera is inconsistent with the color temperature of the scene illumination, the bias color will occur.The white balance is for different color temperature conditions, by adjusting the internal color circuit of the camera so t

Http://poj.org/problem? Id = 1837 A balance can be regarded as an X axis. The negative half axis is the left side of the balance, and the right half axis is the right side of the balance, Now there are c hooks on the balance, so you can attach g weights and ask several ways to bala