How to change datatype of a column series in pandas python

to change the data type of a column series in pandas in python, you can use the `astype()` method. this method allows you to convert the data type of a column to another type. here is a step-by-step tutorial on how to change the data type of a column series in pandas:

step 1: import the pandas library

step 2: create a sample dataframe
let's create a sample dataframe to demonstrate changing the data type of a column series:

step 3: check the data types of the columns
before changing the data type, let's check the data types of the columns in the dataframe:

step 4: change the data type of a column
now, let's change the data type of column 'a' from integer to float:

step 5: check the data types after conversion
after changing the data type, let's check the data types of the columns again:

here is the complete code example:

by following these steps and using the `astype()` method, you can easily change the data type of a column series in pandas.

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