GFG = pd.ExcelWriter('MZ_EXCEL.xlsx') df_new.to_excel(GFG, index=False) GFG.save() 下面是excel的外观,您可以看到所有标题都被推到了第一列中,但我只希望它像在csv 中一样组织起来
子阵列GFG问题的最大乘积Python 我认为你写的程序属于暴力方法,时间复杂度最差。为了提高其时间和空间复杂度,您只需创建两个变量来存储当前最大值和当前最小值。这是供参考的代码。快乐编码。让我知道这是否有帮助。 def maxProduct(self,arr, n): res = max(arr) currMax, currMin = 1,1 for i in arr...
The following list of questions was recommended by Love Babbar on this video. I have documented all those questions here.✌️TopicImportant DSA QuestionsLink Topic: Problem: Related Link <-> Array Reverse the array (char) https://leetcode.com/problems/reverse-string/ ...
Try using more format characters. One of the useful ones is %r which says "print this no matter what." We expect you to face some roadblocks and hurdles too. So we have compiled a set of frequently asked questions. Can I name a variable in this format: 1 = 'Zed Shaw'? No, you c...
python-3.x 擦除li标记内的所有元素6 Hello, Python 5952 No attached data sources ...
> I have 2 questions, should have done more testing on my end.. > > 1. I am trying to understand the use of `.append'. I know that it adds > things to list, but when I was looking thru the documentation page - >https://docs.python.org/2/library/collections.html, even in the...
import jsonlist_of_files = ["kiqgfg.json"]for file_name in list_of_files: fi = open(file_name, 'r') data = json.load(fi) fo = open(data["title"]+".html", 'w') fo.write(data["body_html"]) fi.close() fo.close() 它接受每个文件并将数据写入新的html文件。 如果需要读取特定...
然后在search函数中,当您返回i._print()时,它也返回None,这就是为什么您会看到“nothing”输出。 既然要测试结果,不如让search()返回一个布尔值,下面是一个建议的编辑: def search(self,b_name,book_list): for i in book_list: if i.name==b_name: i._print() return True else: return False...