统计英文article.txt文件中出现hello这个单词的次数 这个是article.txt文件内容 { hello The Royal Navy is trying hello to play hello down the problem, after first trying to hide it. It is clearly embarrassing. They have hello known about the problem for hello some time but they…
#average7.py 文件中有多行,且每行有多个数字用逗号隔开 def main(): fileName = input("What file are numbers in?") infile = open(fileName,'r') sum = 0.0 count = 0 line = infile.readline() while line != "": #为line中的值更新其count和sum for xStr in line.split(",…
在Xcode里创建的时候,会自动生成注释 // Created byxxx on 15/7/10. // Copyright (c) 2015年 xxxx. All rights reserved. xxx默认为电脑用户名,那么如何修改呢? 方法如下: 右键Xcode图标,显示包内容 /Contents/Developer/Library/Xcode/Templates/File Templates/Source C File.xctemplate C++ File.xctemplate C…
安装了vs2019之后,发现有的项目中引用的其他项目的源码,但是无法识别了. 最后发现是因为project guid是大写导致的. https://stackoverflow.com/questions/36204515/vs-project-references-broken-on-case-sensitivity-of-guid TL;DR Visual Studio isn't entirely consistent about how it assigns GUIDs to projec…
# average5.py def main(): fileName = input("What file are the numbers in?") infile = open(fileName, 'r') sum = 0 count = 0 for line in infile: sum = sum + eval(line) count = count + 1 print("\nThe average of the numbers is ",sum/count)…
staff.txt 内容: Alex Li,Engineer,1363432345,alex@126.com Jack Zhang,Salesman,Sales Dep,15697892356,jack@sina.com Rain Wang,HR,HR Dep,13678903457,rain@autohome.com.cn a b asdfasdf ab asdf 1234434 code内容为: import os with open('staff.txt','r+') as f,open(…