#  created : 20250113

#  https://www.scientecheasy.com/2022/09/docstring-in-python.html/

#  class docstring

class Rectangle:
    """
    This is a class for calculating the area of a rectangle.

        Parameters:
        l (int) : The length of rectangle.
        b (int) : The breadth of rectangle.
    """
print(Rectangle.__doc__)

    This is a class for calculating the area of …

#  created : 20250111

#  https://www.scientecheasy.com/2022/09/reserved-keywords-in-python.html/

#  class Keyword

#  example for a class declarstion 

class ClassExample:
    def func1(parameters):
        . . . .
    def func2(parameters):
        . . . .

with open('myfile.txt', 'w') as file:
    file.write('Hi jerin!')

#  as Keyword

import math as x

print(x.cos(0))

1.0

#  pass keyword …

class Car:
    def __init__(self, brand, model):
        self.brand = brand
        self.model = model

    def display_info(self):
        print(f"Car Brand: {self.brand}, Model: {self.model}")


my_car = Car("Toyota", "Corolla") # ---> this is the object for that class
my_car.display_info()

Car Brand: Toyota, Model: Corolla

#  created : 20250112

#  https://www.scientecheasy.com/2022/09/literals-in-python.html/

#  Collection literals in Python

#  List literals

address = ['Scientech Easy', 'Joraphatak Road', 'Dhanbad']

print(address)

['Scientech Easy', 'Joraphatak Road', 'Dhanbad']

num = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

print(num)

[1, 2, 3, 4, 5, 6, 7, 8 …

#  created : 20250113

#  https://www.scientecheasy.com/2022/10/comparison-operators-in-python.html/

#  Comparison  Operators

# Equal to (==)

x = 20
y = 20
print( x == y)

True

p = 'My name is John'
q = 'My name is John'
print( p == q)

True

r = 'Text'
s = 'text'
print( r == s)

False

t = [1, 2, 3, 4]
u …

#  created : 20250316

#  https://www.scientecheasy.com/2022/11/python-continue.html/

# Syntax of Continue Statement in Python

for letter in 'Technology':
    if letter == 'n':
        print('Skipping the loop at', letter)
        continue
    print(letter)

T
e
c
h
Skipping the loop at n
o
l
o
g
y

for x in range …

from datetime import datetime

def string_to_date(date_string):
    date_object = datetime.strptime(date_string, "%Y-%m-%d")
    return date_object

# Example usage
date_string = "2025-01-02"
result = string_to_date(date_string)
print(result)

2025-01-02 00:00:00

def check_leap_year(year):
    if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0):
        return "Leap year"
    else …

#  created : 20250111

#  https://www.scientecheasy.com/2022/09/reserved-keywords-in-python.html/

#  def keyword

def func():
    print("Inside Function")

func()

Inside Function

#  return keyword

def func_return():
    x = 20
    return x

def func_no_return():
    y = 50

    return y

print(func_return())

20

print(func_no_return())

50

def func():
    x = 0
    for i in range(5):
        x …

class A:
    def display(self):
        print("hello jerin")

class B(A):
    pass

class C(A):
    pass

class D(B, C):
    pass

d = D()
b = B()
b.display()
d.display()

hello jerin
hello jerin

def merge_dicts():
    # Define the two dictionaries inside the function
    my_dict1 = {'a': 1, 'b': 2, 'c': 3}
    my_dict2 = {'d': 4, 'e': 5, 'f': 6}

    # Method 1: Using dictionary unpacking
    result1 = {**my_dict1, **my_dict2}
    print("Method 1:", result1)

    # Method 2: Using copy and update
    result2 = my_dict1.copy()
    result2.update(my_dict2)
    print("Method 2 …