Python is a high-level, interpreted programming language known for its simplicity and readability. Its syntax is clean and easy to understand, which makes it a popular choice for beginners and experts alike. This blog post will guide you through the basic Python syntax with multiple examples of code to help you get started.
Comments in Python
Comments help programmers understand the purpose of a certain piece of code. They are ignored by the Python interpreter. Single-line comments start with a #
symbol.
Example:
# This is a single-line comment
For multi-line comments, we use triple quotes ('''
or """)
.
Example:
'''
This is a
multi-line comment
'''
Variables in Python
Variables are containers for storing data values. Unlike other programming languages, Python has no command for declaring a variable. A variable is created the moment you first assign a value to it.
Example:
x = 5
y = "Hello, World!"
Indentation in Python
Python uses indentation to indicate a block of code. Other languages often use curly brackets for this purpose.
Example:
if 5 > 2:
print("Five is greater than two!")
Python Statements
Instructions that a Python interpreter can execute are called statements. For example, a = 1
is an assignment statement.
Example:
a = 1 # single statement
Python Line Continuation
In Python, the end of a statement is marked by a newline character. But we can make a statement extend over multiple lines with the line continuation character (\)
.
Example:
total = item_one + \
item_two + \
item_three
Python Quotations
Python accepts single (')
, double (")
and triple ('''
or """)
quotes to denote string literals.
Example:
word = 'word'
sentence = "This is a sentence."
paragraph = """This is a paragraph. It is
made up of multiple lines and sentences."""
Python Data Types
Python has five standard data types: Numbers, String, List, Tuple, and Dictionary.
Example:
var1 = 1
var2 = 10
var3 = "Hello, World!"
Python Operators
Python language supports a wide range of operators such as arithmetic operators, comparison (relational) operators, assignment operators, logical operators, bitwise operators, membership operators, and identity operators.
Example:
a = 21
b = 10
c = 0
c = a + b
print("Line 1 - Value of c is ", c)
Keep in mind, that the most effective path to mastering Python syntax is through hands-on experience and experimentation with the code. Enjoy your programming journey!