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Python
Simple, readable, powerful
Python is a versatile, beginner-friendly language used everywhere from web backends and automation to data science and machine learning.
Data Science
Machine Learning
Web Backends (Django/FastAPI)
Automation
Scripting
Time to learn: 2-3 months
1Hello, World
beginner
Python's minimal syntax lets you focus on the problem, not the boilerplate.
name = "ReadmeBuddy"
print(f"Hello, {name}!")
# Conditionals
age = 18
if age >= 18:
print("Adult")
else:
print("Minor")2List Comprehensions
beginner
A concise way to build lists from iterables.
nums = [1, 2, 3, 4, 5]
squares = [n * n for n in nums]
evens = [n for n in nums if n % 2 == 0]
print(squares) # [1, 4, 9, 16, 25]
print(evens) # [2, 4]3Functions & Default Args
beginner
Functions can have positional, keyword and default arguments.
def greet(name: str, greeting: str = "Hello") -> str:
return f"{greeting}, {name}!"
print(greet("Ada")) # Hello, Ada!
print(greet("Ada", "Welcome")) # Welcome, Ada!4Classes & Dataclasses
intermediate
Use @dataclass for boilerplate-free data containers.
from dataclasses import dataclass
@dataclass
class User:
id: int
name: str
is_active: bool = True
u = User(1, "Ada")
print(u) # User(id=1, name='Ada', is_active=True)5Working with Files
intermediate
The 'with' statement ensures files are closed even on errors.
with open("data.txt", "r", encoding="utf-8") as f:
for line in f:
print(line.strip())Built something with Python?
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