import pandas as pd

data = {
    'city' : ['Toronto', 'Montreal', 'Waterloo'],
    'points' : [80, 70, 90]
}

data

{'city': ['Toronto', 'Montreal', 'Waterloo'], 'points': [80, 70, 90]}

type(data)

dict

df = pd.DataFrame(data)

df

df = df.assign(code = [1, 2, 3])

df

from datetime import datetime

def get_age(d):
    d1 = datetime.now()
    months = (d1.year - d.year) * 12 + d1.month - d.month

    year = int(months / 12)
    return year

age = get_age(datetime(1991, 1, 1))

age

33

arr = list(range(80))
sum_arr = sum(arr)
print('Sum of array with 80 elements:', sum_arr)

arr = list(range(79))
sum_arr = sum(arr)
print('Sum of array with 80 elements:', sum_arr)

arr = list(range(78))
sum_arr = sum(arr)
print('Sum of array with 80 elements:', sum_arr)

arr = list(range(77))
sum_arr …

# Cell 1
a = 10

# Cell 2
b = 20

# Cell 3
c = a + b
print(c)

# Cell 4
for i in range(5):
    print(i)

# Cell 5
def square(x):
    return x * x

class Person:
    pass

p1 = Person()
print(type(p1))

<class '__main__.Person'>

class Student:
    def __init__(self, name, age …

# created :20250629

# own code

days = int(input("Enter number of days: "))
years = days // 365
weeks = (days % 365) // 7
remaining_days = (days % 365) % 7

print("Years:", years)
print("Weeks:", weeks)
print("Days:", remaining_days)

print("📘 Data Structures and Algorithms (DSA) in Python - 200 Cells")

arr = [3, 1, 4, 1, 5, 9, 2, 6, 5]

print('Original array:', arr)

def bubble_sort(arr):
    n = len(arr)
    for i in range(n):
        for j in range(0, n-i-1):
            if arr[j] > arr[j+1]:
                arr …

# created :20250629

# own code

num = int(input("Enter a number: "))

fact = 1

for i in range(1, num + 1):
    fact *= i

print("Factorial of", num, "is", fact)

print("fact"

# Step 1: Import time for delay demo
import time

print("📘 Welcome to the Square Generator")

# Step 4: Start loop
for i in range(1, 11):

    # Loop Step 1
    print(f"🔁 Looping... i = {i}")

    # Pause for visibility
    time.sleep(0.2)

    # Calculate square
    square = i ** 2

    # Print square
    print(f"🔢 Square …

# created :20250629

https://share.google/camtfs4z8aiYAJNSz

def compute_hcf(x, y):
    if x > y:
        smaller = y
    else:
        smaller = x

for i in range(1, smaller+1):
        if((x % i == 0) and (y % i == 0)):
            hcf = i 
    return hcf

num1 = 54 

num2 = 24

print("The H.C.F. is", compute_hcf(num1, num2 …

a = 40
b = 30
if a > b:
    print('a is greater')
elif a == b:
    print('a is equal to b')
else:
    print('b is greater')

a = 40
b = 30
if a > b:
    print('a is greater')
elif a == b:
    print('a is equal to b')
else:
    print('b is greater …