python pandas add an empty column

pandas is a powerful and widely used data manipulation library in python. it provides various data structures and functions needed to efficiently manipulate and analyze structured data, such as tables or spreadsheets. in this tutorial, we will focus on adding an empty column to a pandas dataframe.
ensure that pandas is installed by running the following command in your terminal or command prompt:
for demonstration purposes, let's create a simple dataframe with some sample data:
now, df is our dataframe:
now, our dataframe looks like this:
the 'salary' column has been added with empty values.
you can verify the presence of the new column using the head() function to display the first few rows of the dataframe:
output:
congratulations! you have successfully added an empty column to a pandas dataframe. you can now populate this column with data as needed for your analysis.
feel free to explore more advanced pandas functionalities to manipulate and analyze your data further!
chatgpt
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