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Python proficiency is required if you want to become a professional data scientist. Learn why Python is the most important language for both beginner data enthusiasts and professionals.

Why Learn Python for Data Science?

Why Learn Python?

Don't make the mistake of trying to install complex tools if you're a beginner. Use cloud-based notebook editors like Google Colab to immediately start learning and writing Python for Data Science –with no setup required!

What Software Should I Use for Learning Python for Data Science?

What is the Best Software for Learning Python?

Python List Functions

All Python Operators (with examples)

Whenever we create a variable we put the name of the variable first, then a single equals sign, and then the value that we want to store to that variable on the right. The technical name for this is called "declaring a variable" or is also known as "variable assignment".

How to Declare a Variable in Python

Variables in Python can only be made up of letters, numbers, and underscores. Variable names cannot start with a number. Reserved Keywords cannot be used as variable names. Variables are case sensitive,  and should follow the snake_case convention.

Python Variable Naming Rules and Conventions

Variable Naming Rules and Conventions

Having descriptive variable names gives helpful context about your Python code, makes it more readable, and is easier to maintain. Readable code is more important than concise code or even code that runs fast.

Use Descriptive Variable Names in Python

Use Descriptive Variable Names

All data must be represented numerically before it can be passed to a machine learning algorithm, so mastering working with numeric datatypes like integers and floats is one of the most fundamental skills for prospective Data Scientists

Integers and Floats in Python

Integers and Floats

Python excels at number crunching, the most basic form of that is simple math operations like: addition, subtraction, multiplication, division, and exponentiation. We can also use parentheses to enforce order of operations.

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