key-value Archives

append multiple values for one key in a dictionary

August 20, 2022 by Magenaut

I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key. So for instance, I have a list … Read more

How to determine if object is a valid key-value pair in PySpark

August 14, 2022 by Magenaut

If I have a rdd, how do I understand the data is in key:value format? is there a way to find the same – something like type(object) tells me an object’s type. I tried print type(rdd.take(1)), but it just says <type ‘list’>. Let’s say I have a data like (x,1),(x,2),(y,1),(y,3) and I use groupByKey and … Read more