I am working on a code like below, which slices the address column. For this I have created a dictionary and created an empty list final to append all the pre processing.see code After preprocessing I am appending the empty list. Now, I want to update the df_dict with the final list. and convert the df_dict t…
Tag: list
Why list([]) weighs less than []
I have such code: With the next result: The question is: Why does a list created with list([]) weigh less than a list created with just [] or for _ in condition? Answer (The details in this answer depend on the implementation, they are written to match CPython 3.10.0. Other versions or other implementations o…
How to fill rows of a dataframe by following the order of elements in a list from a dictionary python
I would like to fill the empty rows of the dataframe: based on the following dictionary: dict1 shows how many kids each id in df has. For instance, A is parent of K and J. J has no kids. G has A and H. The empty rows in df are belongs to id J,Y,Z, and G.The list gives us these
Test if any values in list are in other list
I have a List, L, and some Values, V. If none of them are in the List it passes the condition. As for the other side, if one of them it’s in the list it passes the other condition. The code should be something like this For example I have the following list: And I want to check with the
Possible combination of a list to key value pairs keeping 1 element as key and rest as a value
Hi can someone help me with the below requirement ? Please note the list length can be any number , for example i have just put 4. I need the output as list of dictionaries with 1 value as key and rest of the values clubbed as list of all possible combination. Thanks in advance. Input: Output: Answer Try: Pri…
Python: List of dictionaries – using keys as headers & rows are the values (Naive way)
I’m currently tasked with creating a CSV file from a list of dictionaries where the headers are the dic keys and the rows the dic values Ex. Output would be a CSV File: We’re not allowed to use dictwriter/csv/pandas and have to do it the naïve way. I currently have the keys gathered, but am strugg…
Some letters are not getting counted in the below code in Python
I am trying to write a code to count letters in a string and store them as key value pair in a separate dictionary with key as the letter and value as the total count of that respective letter. Could anyone please help me out what is going wrong in the code as I am not able to debug it.
Python – How to call every function in a list with a single function call
I’m trying to create a dictionary where each value is a list of functions that should get executed when calling the value. Here’s some pseudo-code: But if I try to call this using functions[“A”]() an exception is thrown saying “TypeError: ‘generator’ object is not cal…
Python, list of nested repeated keys
I would like to process this json data in python: I would like to get the value of all “chain”s. For example like this: I tried with a for loop, but (in the case of several “chain”s) it returns only the last value of “chain” for example ACH BEP20. Does not return ACH ERC20.…
python multiply list elements inside list
I use lists to randomly pick an element over many iterations (to create artificial data sets). To change the probability of getting a certain element, I’m repeatedly adding those elements that should have a higher change of being picked, so instead of I would do Is there a better way to do this inline? …