https://github.com/tasmidur/basic-python-examples
https://github.com/tasmidur/basic-python-examples
Last synced: 3 months ago
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- Host: GitHub
- URL: https://github.com/tasmidur/basic-python-examples
- Owner: tasmidur
- Created: 2025-01-12T13:40:50.000Z (5 months ago)
- Default Branch: main
- Last Pushed: 2025-01-15T20:33:23.000Z (5 months ago)
- Last Synced: 2025-01-19T23:44:24.572Z (5 months ago)
- Language: Python
- Size: 29.3 KB
- Stars: 0
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Python: Overview, Uses,Benefits and Examples
## Overview
Python is a high-level, interpreted programming language known for its clear syntax and readability. It is widely used across various domains, making it a popular choice for both beginners and experienced developers.
## Uses
1. Web Development: Frameworks like Django and Flask enable the creation of dynamic web applications.
2. Data Science & Machine Learning: Libraries such as Pandas, NumPy, and Scikit-learn facilitate data analysis and machine learning tasks.
3. Automation/Scripting: Python scripts can automate repetitive tasks, enhancing efficiency.
4. Game Development: Libraries like Pygame allow for the development of simple games and prototypes.
5. Software Development: Python is used for building desktop applications and software testing.
## Benefits
1. Easy to Learn: Simple syntax makes it accessible for beginners.
2. High Productivity: Less code is required to accomplish tasks compared to other languages.
3. Extensive Libraries: A rich ecosystem of libraries supports various functionalities.
4. Community Support: A large, active community provides resources and assistance.
5. Cross-Platform Compatibility: Runs on multiple operating systems, enhancing flexibility.
6. Interpreted Language: Code is executed line by line, aiding in debugging.
7. Multiple Programming Paradigms: Supports both object-oriented and functional programming styles.
## Setup Environment
[Follow the link for setup environment](https://github.com/tasmidur/basic-python-examples/blob/main/PYTHON-SETUP.md)
## Examples:
### 1. Variables and Data Types
In Python, you can create variables to store data. Python supports several data types, including integers, floats, strings, and booleans.
```
# Example of variables and data types
name = "Alice" # String
age = 30 # Integer
height = 5.5 # Float
is_student = True # Boolean
print(name, age, height, is_student)
Documentation: Python Data Types
```
### 2. Control Structures
Python uses control structures like if, for, and while to control the flow of the program.
```
# Example of control structures
number = 10
# If statement
if number > 0:
print("Positive number")
elif number < 0:
print("Negative number")
else:
print("Zero")
# For loop
for i in range(5):
print(i)
# While loop
count = 0
while count < 5:
print(count)
count += 1
```
### 3. Functions
Functions are reusable blocks of code that perform a specific task. You can define your own functions using the def keyword.
```
# Example of a function
def greet(name):
return f"Hello, {name}!"
print(greet("Alice"))
```
### 4. Lists and Dictionaries
Lists and dictionaries are built-in data structures in Python.
```
# Example of a list
fruits = ["apple", "banana", "cherry"]
print(fruits[0]) # Accessing the first element
# Example of a dictionary
person = {
"name": "Alice",
"age": 30,
"city": "New York"
}
print(person["name"]) # Accessing the value associated with the key 'name'
```
### 5. Classes and Objects
Python is an object-oriented programming language, which means it supports classes and objects.
```
# Example of a class
class Dog:
def __init__(self, name):
self.name = name
def bark(self):
return f"{self.name} says woof!"
my_dog = Dog("Lucky")
print(my_dog.bark())
```
### 6. File Handling
You can read from and write to files in Python using built-in functions.
```
# Example of file handling
# Writing to a file
with open("example.txt", "w") as file:
file.write("Hello, World!")
# Reading from a file
with open("example.txt", "r") as file:
content = file.read()
print(content)
```
### 7. Error Handling
You can handle errors in Python using try and except blocks.
```
# Example of error handling
try:
result = 10 / 0
except ZeroDivisionError:
print("You can't divide by zero!")
```