Introduction to Python Course

I have a numpy array initially with zeros, like this: v = np.zeros((5, 5)) v array([[ 0., 0., 0.… Read more A Neater Way To Set Values At Indexes With Numpy

How can a list of indices (called 'indlst'), such as [[1,0], [3,1,2]] which corresponds to … Read more Use List Of Nested Indices To Access List Element

I have a dataframe, produced by this piece of code: import pandas as pd import datetime as dt data… Read more Perform Calculation Between Rows With Datetime Index And Place Them Into New Columns

My data is organized in a dataframe: import pandas as pd import numpy as np data = {'Col1'… Read more Work With A Row In A Pandas Dataframe Without Incurring Chain Indexing (not Coping Just Indexing)

I have a array 'x' with four columns. For each row if the 4th column has a value of 1 then … Read more Index Error, Delete Row From Array If Column Has A Value

I want to search a list for the occurence of a value (x) and return that value and a number, say 2,… Read more Search A List For Item(s)and Return X Number Of Surrounding Items In Python