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Summary Python syntax and Fundamentals
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A summary of the python syntax and fundamentals
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Sure, here are the notes on the topic of "Python Syntax and Fundamentals":Python Syntax and Fundamentals
Introduction
Python is a popular high-level programming language known for its simplicity and
readability. It is widely used for various purposes such as web development, data
analysis, machine learning, artificial intelligence, and more.
Basic Syntax
Python uses indentation to define blocks of code.
A semicolon (;) can be used to separate multiple statements in one line.
Python uses the hash symbol (#) for single-line comments.
Variables
Variables in Python can be assigned using the equals sign.
Python is dynamically typed, meaning that you don't need to declare the data type
of a variable when assigning it.
Example
my_variable = 5
my_string = "Hello, World!"
Data Types
Python has several built-in data types, including:
integers (int)
floats (float)
strings (str)
lists (list)
tuples (tuple)
dictionaries (dict)
Control Flow
Python has several control flow structures, including:
if, else, and elif statements
for loops
while loops
Example
if my_variable > 0:
print("My variable is positive.")
elif my_variable < 0:
print("My variable is negative.")
else:
print("My variable is zero.")
for i in range(5):
print(i)
my_list = [1, 2, 3, 4, 5]
for element in my_list:
print(element)
while my_variable < 10:
my_variable += 1
print(my_variable)
Functions
Functions in Python can be defined using the "def" keyword.
Functions can have a return value.
Example
def my_function(parameter):
result = parameter * 2
return result
Error Handling
Python uses try/except blocks to handle errors.
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