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🐍 Python Syntax Guide – GoNimbus Learning Series

🚀 Execute Python Code

Python is an interpreted language, which means you can execute code in two simple ways:

▶️ 1. Directly in the Command Line:

>>> print("Hello, World!")
Hello, World!

📄 2. From a Python File:

Save the code in a .py file and run it via terminal or command prompt:

C:\Users\YourName> python myfile.py

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🔍 Python Indentation – Syntax That Matters

Unlike many other programming languages, Python uses indentation to define code blocks. Indentation is not just for readability—it’s mandatory!

✅ Correct Example:

if 5 > 2:
    print("Five is greater than two!")

❌ Incorrect Example (Will throw an error):

if 5 > 2:
print("Five is greater than two!")  # Missing indentation

🔸 You can use any number of spaces, but you must be consistent within the block.

if 5 > 2:
    print("Block one")
    print("Still block one")

# Mixing spaces and tabs or inconsistent indentation causes errors!

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📦 Python Variables – Declaring with Ease

In Python, there is no need for explicit declaration. Variables are created the moment you assign them a value.

x = 42
greeting = "Hello, GoNimbus Learner!"

🔹 No need to mention the type. Python is dynamically typed:

name = "Alice"      # String
age = 25            # Integer
score = 89.5        # Float
is_active = True    # Boolean

🧠 Tip: Use descriptive variable names to make your code readable and maintainable.

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💬 Python Comments – Write Smarter Code

Comments help you and others understand the code better. In Python, use # to begin a comment.

✅ Single-line comment:

# This is a comment
print("Welcome to GoNimbus Python Course!")  # This is also a comment

✅ Multi-line comment (using triple quotes as docstrings):

"""
This is a multi-line comment
spanning multiple lines.
"""
print("This line runs normally.")

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💡 GoNimbus Pro Tip:

You can use comments to temporarily disable code during testing:

# print("This line won't run")
print("This line will run")

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🔁 Recap: Key Python Syntax Elements

Concept	Syntax Example	Notes
Print	print("Hello")	Outputs text to screen
Indentation	if x > 0:\n print(x)	Defines blocks
Variables	x = 10	No type declaration needed
Comments	# This is a comment	Not executed by interpreter
Consistency	All indents in a block must match	Indentation errors will break code

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🔧 Practice Task for You:

Try running this Python code in your GoNimbus editor:

# This script checks if a number is even or odd
number = 10

if number % 2 == 0:
    print("Even number")
else:
    print("Odd number")

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Let GoNimbus guide you through a seamless learning experience in coding!

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