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💬 Python Comments – GoNimbus Learning Series

🧠 Why Use Comments in Python?

In Python, comments are crucial for writing clean, understandable, and maintainable code. You can use comments to:

✅ Explain complex logic to other developers (or your future self)
✅ Improve code readability
✅ Prevent certain lines from executing during debugging
✅ Quickly test alternative solutions without deleting code

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✍️ Creating a Single-Line Comment

In Python, a comment begins with a # symbol. Everything after # on that line is ignored by the interpreter.

✅ Example:

# This is a comment
print("Hello, GoNimbus!")

You can also place a comment at the end of a code line:

print("Learning Python at GoNimbus!")  # This is an inline comment

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⛔ Using Comments to Disable Code Execution

Need to skip a line temporarily while testing? Just comment it out!

✅ Example:

# print("This line is disabled")
print("Only this will print")

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🧾 Multi-line Comments in Python

Python doesn’t have a special syntax for multi-line comments, but you have two clean options:

1. Use # on each line:

# This is a comment
# that spans multiple
# lines in the script
print("Multi-line comment demo")

2. Use triple quotes (''' or """) as a block comment:

Python ignores unassigned string literals, so triple-quoted strings work as pseudo multi-line comments.

"""
This is a block of text
used as a multi-line comment.
Python will ignore it.
"""
print("GoNimbus Python Class")

🔔 Note: Triple quotes are primarily for docstrings, but can be used as comments when not assigned to a variable.

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🧪 Pro Tip – Docstrings vs Comments

• Use # for in-line and quick comments.
• Use """ """ for documentation strings inside functions, classes, or modules.

Example:

def greet():
    """This function prints a welcome message"""
    print("Welcome to GoNimbus!")

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📘 Summary Table – Python Comments

Type	Syntax Example	Purpose
Single-line	# This is a comment	General explanation
End-of-line	print("Hi") # This is a comment	Quick note on the same line
Multi-line (#)	# Line 1\n# Line 2	Comment block
Multi-line (""")	""" This is a long comment """	Optional comment block (ignored)
Disable code	# print("Oops!")	Temporary skip during testing

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🧠 Practice Task for You

Try writing a Python program and add comments explaining each step:

# Ask the user for their name
name = input("Enter your name: ")

# Greet the user
print("Hello, " + name + "! Welcome to GoNimbus.")

✨ With clear comments, your Python code becomes readable, teachable, and collaborative — just like what we value at GoNimbus.

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