python

Why am I getting KeyErrors when accessing multiple rows in a dataframe?

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Why am I getting KeyErrors when accessing multiple rows in a dataframe? Problem Description: I am trying to write the following condition to map MARKET_STATES.OPENING_AUCTION, however I am getting KeyError: (False, False, False) when I run the following: market_info_df.loc[market_info_df[‘issue_status’ == ’10’, ‘market_phase’ == ‘0’, ‘trading_state’ == ‘ ‘].iloc[0]] = MARKET_STATES.OPENING_AUCTION Two questions: What is it … Read more

Python nested loops inside dict

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Python nested loops inside dict Problem Description: I have a dict exchange rates. It has 3 levels: rates, date and currency. "rates": { "2022-11-30": { "AED": 0.06019, "AFN": 1.442036, "ALL": 1.836137, "AMD": 6.464451, "ANG": 0.029525, "AOA": 8.304432, "ARS": 2.741601, ……………. etc. I want to write a loop that first will capture the date in a … Read more

filter a DataFrame using complete word only

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filter a DataFrame using complete word only Problem Description: I have a large DataFrame (named: complete) of data (only two columns). I want to filter it using complete words only, instead of substrings. Ex: complete dataframe: comment sentiment fast running 0.9 heavily raining 0.5 in the house 0.1 coming in 0.0 rubbing it -0.5 if … Read more

Python selenium Element error event wait function is not helping

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Python selenium Element error event wait function is not helping Problem Description: This is my first attempt to login a website using selenium, i have written the below piece of code but not able to login the website, getting the following error message. Message: no such element: Unable to locate element: {"method":"css selector","selector":"[name="txtUsername"]"} (Session info: … Read more

Python web scraping script does not find element by css selector

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Python web scraping script does not find element by css selector Problem Description: I’m trying to get this web scraper to get current electricity price from this website, it’s in finnish but it’s right under "Hinta nyt". https://sahko.tk/ Here’s my code: import requests from bs4 import BeautifulSoup url = "https://sahko.tk/" element_selector = "" response = … Read more

Shadow name error and Local variable not used

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Shadow name error and Local variable not used Problem Description: self teaching myself how to code and starting with this book and a Udemy course. have been working on this practice project for 2 days now and I keep running into "Local variable ‘streaks’ not used when I have the streak counter placed inside the … Read more

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