How to create new columns and replace null values with zero | Pyspark tutorial

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Welcome to DWBIADDA's Pyspark tutorial for beginners, as part of this lecture we will see, How to create new columns and replace null values with zero and how to replace empty string with none
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@DWBIADDA VIDEOS can we modify the values of multiple columns with '&' or we need to create different dataframe only . 1 dataframe for 1 column is it like that????

swapnilawale
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Hi, i am not able to import lit and col in my pycharm. Suggest.

sefalipathak