I have two dataframes, the first is this one, created with the following code: The second one is the following: What I need to do is to add a column to the second data frame that contains lists of values taken from the first data frame. I will show it and then explain it with words: The lists should contain
Tag: loops
Python: How do I pass name of a dataframe to a function in a for loop?
I want to send DF2 to DFn to matchparts function.. I tried sending it using matchparts(DF1, “DF”+ str(cnt)) the function recieves it as string rather than a DF Answer There are basically 3 ways in which you can do this : Using dictionary Using globals() Using eval(Not recommended) Say you have dataframe in multiple variables, say DF1, DF2, DF3. Using
looping through dictionary and printing first value where condition is met
Having some trouble getting this simple conditional to work. I have a dictionary with 10 key-value pairs as follows: I’m trying to loop through the dictionary and print the key for the first value that is below 0.05. This is the code I have right now: Can anyone help me see where I’m going wrong here? Edit: It should be
Iterating a dictionary with list values (why does it iterate over the list)
I’m pretty new to programming and I’m starting with python Why is it that the ‘for’ loop is iterating over the list and not over the key of the dictionary? The intention is that the loop iterates over the list but I don’t understand why it’s happening if ‘for’ loops are supposed to iterate over the keys and not over
How to extract words with a repeated letter not count one specific? python
I have a multiple word file where the same letters appear multiple times. I’ve already learned to catch these words. Now I would like the words with the letter “a” not to be counted by the script. My file.txt: my code: result: I try to make that only “a” can repeat in a word, if “a” is repeated and another
Creating a sequentially joined list using a for loop in Python
I need help creating a new list z, where I will have list values as y0, x0, y1, x1, y2, x2, y3 in vertical order as an array. output: z = [1, 1, 1, 0, 0, 2, 2, 2, 2, 4, 4, 3, 3, 3, 8, 8, 4, 4, 4] I tried this for loop iteration, but instead of the
Append dictionaries created using for loop in python
I have create dictionary d inside the function ic_strategy_2. ic_strategy_2 is iterated for each elements in list using for loop, which will create 3 dictionary. When below code is tested, only single dictionary is getting printed though I append it in for loop. I want to append multiple dictionary created from d into one new dictionary as shown in expected
is it possible to generate a list in list for desired numbers?
I wanted to generate a list in list : now, I have basically two options, either I input the list through a text file or I should generate the list by itself. is it possible to generate this type of list by itself using nested loops? I wanted to put -1 at the place of the middle zero of each
Iterate and loop through certain nested values to use within JSON Data and Request URLs
I have an nested list that works as [[id, price], [id, price], [id, price], [id, price]] and I need to iterate through the [0] and the [1] value to use in the request url and json data respectively. I can’t get the variable to be used in the request url but the json data seems to work fine Answer have
Compare variables through a range
I’ve 2 DataFrames where one gives me 3 Dates and a slope, and the other one gives me a calendar with prices. I’m want to know if any High price in Dates breaks the line between Date1 and Date3 of the slope_and_dates DataFrame. I expect an extra column in slopes_and_dates called Break where I can save if the line has