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rename a dataframe automatically

I want to automatically rename my dataframe with 3 name ,I tried with this code but it shows me each time only the last name : the result I want to achieve : Answer Can do it dynamically by multiplying the list to repeat it. Then slice by the length of the df.columns

a bar chart of shares

I have a dataframe with several columns, one of them is ‘Color’. I want to build a bar chart of shares. E.g if I have 2 objects with red color, 5 objects with blue color and 3 with black. So on X-axis I need to have all the colors, on Y-axis at 1/5, 1/2 and 3/10. Does such function exist

Select all row where all columns are equal to value

I have a pandas dataframe and I need to select the rows where all the columns are equal to 0.00. How can I do that? Answer First, we’ll setup some example data to work on – here there are 3 columns, but it could be more, or fewer in your example. And define a function that accepts a row from

Python – Store cryptography keys in SQL database

Working on a “Password Saver” and will be using the module “cryptography” to encrypt the passwords. I need to save the key you generate from cryptography in the database as well, but I am not sure how you actually do this. Done some google searches myself and it seems to be called a &#…

First occurrence of 1 in unsorted binary array

I am solving a problem to find the first 1 in an unsorted array of 1s and 0s. If any 1 is found program should return the index otherwise return -1. I would like to have divide and conquer solution for this problem, but I am struggling with the base case. So what should my base case be – to