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By Kevin McAleer, 3 Minutes
In this lesson, we’ll explore the basics of Python programming. This includes understanding variables, data types, basic syntax, comments, and operators.
variables
data types
basic syntax
comments
operators
Variables are containers that hold data. Python has various data types including:
10
15
22
1.5
2.67
3.14
True
False
'hello'
'Python'
Here’s how you can create variables of different types:
# An integer age = 25 # A float height = 5.6 # A boolean is_adult = True # A string name = "Alice"
Python has a clean and easy-to-understand syntax. Here are some key points:
if age > 18: print("You are an adult.")
print("Hello, World!") print("Welcome to Python programming.")
\
total = 1 + 2 + 3 + \ 4 + 5 + 6
Comments are essential in making your code understandable to others and your future self. They are lines that are not executed by the Python interpreter.
# This is a single-line comment print("Hello, World!") # This is an inline comment """ This is a multi-line comment """
Python supports a variety of operators:
+
-
*
/
//
%
**
x = 10 y = 3 print(x + y) # Addition print(x - y) # Subtraction print(x * y) # Multiplication print(x / y) # Division print(x // y) # Floor division print(x % y) # Modulus print(x ** y) # Exponentiation
==
!=
>
<
>=
<=
print(x == y) # Equal to print(x != y) # Not equal to print(x > y) # Greater than print(x < y) # Less than print(x >= y) # Greater than or equal to print(x <= y) # Less than or equal to
and
or
not
age = 22 is_student = True if age > 18 and is_student: print("You are an adult student.")
This lesson covered the basics of Python, including variables, data types, basic syntax, comments, and operators. These are foundational concepts that you’ll use in every Python program you write.
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