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Pandas: Iterate over a Pandas Dataframe Rows

Learn how to use Python and Pandas to iterate over rows of a dataframe, why vectorization is better, and how to use iterrows and itertuples.

Learn how to use Python and Pandas to convert a dataframe column values to strings, including how to optimize for memory and efficiency.

Learn how to use Python to remove duplicates from a list, including how to maintain order from the original list, using seven methods.

Learn how to use the Python strftime method to convert datetime objects into strings, and how to use f-strings to convert dates to strings.

Learn how to use the Python floor function to round numbers down. Learn the differences between Python 2 and 3 and how to do floor division.

Learn how to calculate the variance of a variable in Pandas, including how to calculate for a single column, multiple or a whole dataframe.

Learn how to use Python to convert a dictionary into a list of tuples, using list comprehensions, the zip function, and collections.

Learn how to use Python to pretty print a dictionary using the pprint and json libraries, including nested dictionaries and saving to a file.

Learn how to use Python to delete a file or a directory, using the os, shutil, and pathlib libraries. Also learn how to handle errors.