Python Learning Journey – Quick Summary

@amitmund June 17, 2026

Heading
Example
Output

1. Statements, Comments & Indentation

Example

# This is a comment

if True:
    print("Hello")

Output

Hello

2. Input & Output

Example

name = input("Enter name: ")

print(name)

Output

John

3. Data Types

Example

a = 10
b = 3.14
c = "Python"

print(type(a))

Output

<class 'int'>

4. Type Casting

Example

num = int("100")

print(num)

Output

5. String Operations

Example

text = "python"

print(text.upper())

Output

PYTHON

6. List

Example

numbers = [10, 20, 30]

print(numbers[1])

Output

7. Tuple

Example

data = (1, 2, 3)

print(data)

Output

(1, 2, 3)

8. Set

Example

items = {1, 1, 2, 3}

print(items)

Output

{1, 2, 3}

9. Dictionary

Example

student = {
    "name": "John"
}

print(student["name"])

Output

John

10. Operators

Example

print(10 + 5)

Output

11. Variables & Scope

Example

x = 10

def show():
    print(x)

show()

Output

12. Conditional Statements

Example

age = 18

if age >= 18:
    print("Adult")

Output

Adult

13. While Loop

Example

i = 1

while i <= 3:
    print(i)
    i += 1

Output

1
2
3

14. For Loop

Example

for i in range(3):
    print(i)

Output

0
1
2

15. break

Example

for i in range(5):
    if i == 3:
        break
    print(i)

Output

0
1
2

16. continue

Example

for i in range(5):
    if i == 2:
        continue
    print(i)

Output

17. assert

Example

x = 10

assert x > 5

print("Valid")

Output

Valid

18. Functions

Example

def add(a, b):
    return a + b

print(add(2, 3))

Output

19. Recursion

Example

def factorial(n):
    if n == 1:
        return 1

    return n * factorial(n - 1)

print(factorial(5))

Output

20. Lambda Function

Example

square = lambda x: x * x

print(square(4))

Output

21. List Comprehension

Example

numbers = [x for x in range(5)]

print(numbers)

Output

[0, 1, 2, 3, 4]

22. Modules

Example

import math

print(math.sqrt(25))

Output

5.0

23. Exception Handling

Example

try:
    print(10 / 0)

except ZeroDivisionError:
    print("Error")

Output

Error

24. Custom Exception

Example

class AgeError(Exception):
    pass

raise AgeError("Invalid Age")

Output

AgeError: Invalid Age

25. File Handling

Example

with open("demo.txt", "w") as file:
    file.write("Hello")

Output

Data written to file

26. Reading File

Example

with open("demo.txt", "r") as file:
    print(file.read())

Output

Hello

27. Log File Offset Tracking

Example

file.seek(0, 2)

position = file.tell()

print(position)

Output

Current end position

28. Date

Example

from datetime import date

print(date.today())

Output

2025-07-27

29. Time

Example

from datetime import datetime

print(datetime.now().time())

Output

14:20:15

30. Datetime

Example

from datetime import datetime

print(datetime.now())

Output

2025-07-27 14:20:15

31. timedelta

Example

from datetime import timedelta

print(timedelta(days=5))

Output

5 days, 0:00:00

32. strftime()

Example

from datetime import datetime

print(
    datetime.now().strftime("%d-%m-%Y")
)

Output

27-07-2025

33. strptime()

Example

from datetime import datetime

date_obj = datetime.strptime(
    "27-07-2025",
    "%d-%m-%Y"
)

print(date_obj)

Output

2025-07-27 00:00:00

34. Regular Expressions (Regex)

Example

import re

print(
    re.findall(
        r"\d+",
        "Age 25"
    )
)

Output

['25']

35. Django Overview

Example

# Django View

from django.http import HttpResponse

def home(request):
    return HttpResponse("Hello Django")

Output

Hello Django

36. Django Project Creation

Example

django-admin startproject school

Output

Project Created

37. Run Django Server

Example

python manage.py runserver

Output

Starting development server...

38. Django App Creation

Example

python manage.py startapp students

Output

App Created

39. Django Model

Example

class Student(models.Model):
    name = models.CharField(max_length=100)

Output

Database Table Created

40. Django Migration

Example

python manage.py makemigrations
python manage.py migrate

Output

Database Updated

41. Django View

Example

def home(request):
    return HttpResponse("Welcome")

Output

Welcome

42. Django Template

Example

<h1>Hello User</h1>

Output

Displayed in Browser

43. Django Static Files

Example

{% load static %}

<link rel="stylesheet"
href="{% static 'css/style.css' %}">

Output

CSS Loaded

44. Django Forms

Example

class StudentForm(forms.Form):
    name = forms.CharField()

Output

Form Rendered

45. Django Admin

Example

python manage.py createsuperuser

Output

Admin User Created

46. Django Deployment

Example

DEBUG = False

Output

Production Ready Configuration

One-Line Revision

Python Basics
↓
Data Types
↓
Operators
↓
Conditions
↓
Loops
↓
Functions
↓
Recursion
↓
Lambda
↓
Comprehensions
↓
Modules
↓
Exceptions
↓
File Handling
↓
Log Processing
↓
Date & Time
↓
Regex
↓
Django Basics
↓
Projects
↓
Apps
↓
Models
↓
Views
↓
Templates
↓
Static Files
↓
Forms
↓
Deployment