Python Variables Explained for Beginners | Store, Update & Reuse Information | Python From Zero
PYTHON FROM ZERO — PYTHON VARIABLES
How does Python remember information while a program is running?
In this lesson, we'll learn one of the most important building blocks of Python: variables.
You'll learn:
What a variable is
How Python assigns values to names
Why meaningful variable names matter
How strings are stored
How numbers are stored
How Boolean values work
How variables can be used in calculations
How to print values stored in variables
How changing a value can change the program output
Example:
student_name = "Alice"
age = 20
is_enrolled = True
next_year_age = age + 1
print(student_name)
print(age)
print(is_enrolled)
print(next_year_age)
Output:
Alice
20
True
21
The key idea:
A variable gives a useful name to a value.
Once a value has a name, you can reuse it, print it, use it in calculations, and pass it to other parts of your program.
You'll also see that the equals sign in Python is used for assignment. It tells Python to store a value under a name.
This lesson is part of the PyVello Python From Zero series, designed to help complete beginners learn Python one concept at a time.
Learn. Write. Run. Understand.
Follow PyVello for the next Python lesson.
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