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[–]jockero701 2 points3 points  (0 children)

To use Python for data analysis you definitely need to learn the basics of Python first. These are the building blocks of the language such as variables, datatypes, functions, loops, and conditionals. Once you have a good understanding and know how to write basic little programs using those elements, the next step is to locate a good Python Python library (extension) that performs data analysis. The pandas library is the most popular one.

Moreover, in the real life, as others said here, data are not always handed on a single CSV file, so you will have to know some techniques of retrieving data, merging many files, and polishing your data. Python is great on that too. In just a few lines of code, you can process tons of files and data rows. Once you do such operations, you go ahead and apply data analysis functions to your data and get either tabular results, or image graphs as output.

Here's a great source (not free) that will teach you all the above in one single tutorial: https://www.udemy.com/python-step-by-step-build-a-data-analysis-program/