📘 Lesson · Lesson 72

68 Python Practice Programs

Written and reviewed by Gagan Bhardwaj · Senior IT Faculty · 15+ years’ experience

User Input वाले आसान Formula Programs

इन programs को सबसे पहले करें। हर program user से value लेता है, एक सीधा formula लगाता है और result दिखाता है। Code को copy करके input बदलकर अभ्यास करें।

1. User द्वारा दिए गए दो numbers जोड़ें 2. Rectangle का area 3. Circle का area 4. Metres को kilometres में बदलें 5. Kilometres को metres में बदलें 6. Rupees को paise में बदलें 7. Paise को rupees में बदलें 8. Celsius को Fahrenheit में बदलें 9. Fahrenheit को Celsius में बदलें 10. Simple interest निकालें 11. Compound interest निकालें 12. Triangle का area 13. Rectangle का perimeter 14. Circle की circumference 15. Five subjects का total और percentage 16. GST amount निकालें 17. Body mass index (BMI)18. Number का square और cube

1. User द्वारा दिए गए दो numbers जोड़ें

दो numbers input लेकर उनका sum दिखाता है।

Formula: Sum = first number + second number

PYTHON

a = float(input("Enter first number: "))
b = float(input("Enter second number: "))
result = a + b
print("Sum =", result)

Sample Input और Output:
Enter first number: 25
Enter second number: 17
Sum = 42

2. Rectangle का area

Length और breadth से rectangle का area निकालता है।

Formula: Area = length x breadth

PYTHON

length = float(input("Enter length: "))
breadth = float(input("Enter breadth: "))
result = length * breadth
print("Area =", result)

Sample Input और Output:
Enter length: 12
Enter breadth: 5
Area = 60

3. Circle का area

Radius input लेकर circle का area निकालता है।

Formula: Area = pi x radius x radius

PYTHON

radius = float(input("Enter radius: "))
result = 3.14159 * radius * radius
print("Area =", result)

Sample Input और Output:
Enter radius: 7
Area = 153.938

4. Metres को kilometres में बदलें

Distance को metres से kilometres में बदलता है।

Formula: Kilometres = metres / 1000

PYTHON

metres = float(input("Enter distance in metres: "))
result = metres / 1000
print("Kilometres =", result)

Sample Input और Output:
Enter distance in metres: 2500
Kilometres = 2.5

5. Kilometres को metres में बदलें

Distance को kilometres से metres में बदलता है।

Formula: Metres = kilometres x 1000

PYTHON

kilometres = float(input("Enter distance in kilometres: "))
result = kilometres * 1000
print("Metres =", result)

Sample Input और Output:
Enter distance in kilometres: 3.5
Metres = 3500

6. Rupees को paise में बदलें

Rupees की amount को paise में बदलता है।

Formula: Paise = rupees x 100

PYTHON

rupees = float(input("Enter amount in rupees: "))
result = rupees * 100
print("Paise =", result)

Sample Input और Output:
Enter amount in rupees: 125.50
Paise = 12550

7. Paise को rupees में बदलें

Paise की amount को rupees में बदलता है।

Formula: Rupees = paise / 100

PYTHON

paise = float(input("Enter amount in paise: "))
result = paise / 100
print("Rupees =", result)

Sample Input और Output:
Enter amount in paise: 8750
Rupees = 87.5

8. Celsius को Fahrenheit में बदलें

Temperature को Celsius से Fahrenheit में बदलता है।

Formula: F = (C x 9 / 5) + 32

PYTHON

celsius = float(input("Enter temperature in Celsius: "))
result = (celsius * 9 / 5) + 32
print("Fahrenheit =", result)

Sample Input और Output:
Enter temperature in Celsius: 30
Fahrenheit = 86

9. Fahrenheit को Celsius में बदलें

Temperature को Fahrenheit से Celsius में बदलता है।

Formula: C = (F - 32) x 5 / 9

PYTHON

fahrenheit = float(input("Enter temperature in Fahrenheit: "))
result = (fahrenheit - 32) * 5 / 9
print("Celsius =", result)

Sample Input और Output:
Enter temperature in Fahrenheit: 98.6
Celsius = 37

10. Simple interest निकालें

Principal, rate और time से simple interest निकालता है।

Formula: SI = principal x rate x time / 100

PYTHON

principal = float(input("Enter principal: "))
rate = float(input("Enter annual rate: "))
time = float(input("Enter time in years: "))
result = principal * rate * time / 100
print("Simple interest =", result)

Sample Input और Output:
Enter principal: 5000
Enter annual rate: 6
Enter time in years: 2
Simple interest = 600

11. Compound interest निकालें

Annual compounding के अनुसार compound interest निकालता है।

Formula: CI = P(1 + R/100)^T - P

PYTHON

principal = float(input("Enter principal: "))
rate = float(input("Enter annual rate: "))
time = float(input("Enter time in years: "))
result = principal * pow(1 + rate / 100, time) - principal
print("Compound interest =", result)

Sample Input और Output:
Enter principal: 10000
Enter annual rate: 10
Enter time in years: 2
Compound interest = 2100

12. Triangle का area

Base और height से triangle का area निकालता है।

Formula: Area = base x height / 2

PYTHON

base = float(input("Enter base: "))
height = float(input("Enter height: "))
result = base * height / 2
print("Area =", result)

Sample Input और Output:
Enter base: 10
Enter height: 8
Area = 40

13. Rectangle का perimeter

Rectangle की चारों sides का total निकालता है।

Formula: Perimeter = 2 x (length + breadth)

PYTHON

length = float(input("Enter length: "))
breadth = float(input("Enter breadth: "))
result = 2 * (length + breadth)
print("Perimeter =", result)

Sample Input और Output:
Enter length: 12
Enter breadth: 5
Perimeter = 34

14. Circle की circumference

Radius से circle के चारों ओर की दूरी निकालता है।

Formula: Circumference = 2 x pi x radius

PYTHON

radius = float(input("Enter radius: "))
result = 2 * 3.14159 * radius
print("Circumference =", result)

Sample Input और Output:
Enter radius: 7
Circumference = 43.9823

15. Five subjects का total और percentage

पाँच subjects के marks लेकर total और percentage निकालता है।

Formula: Percentage = total marks / 5

PYTHON

m1 = float(input("Enter marks in subject 1: "))
m2 = float(input("Enter marks in subject 2: "))
m3 = float(input("Enter marks in subject 3: "))
m4 = float(input("Enter marks in subject 4: "))
m5 = float(input("Enter marks in subject 5: "))
result = (m1 + m2 + m3 + m4 + m5) / 5
print("Total =", m1+m2+m3+m4+m5)
print("Percentage =", result)

Sample Input और Output:
Marks: 80 75 90 85 70
Total = 400
Percentage = 80

16. GST amount निकालें

Amount और GST rate से tax तथा final bill निकालता है।

Formula: GST = amount x rate / 100

PYTHON

amount = float(input("Enter amount: "))
gstRate = float(input("Enter GST rate: "))
result = amount * gstRate / 100
print("GST =", result)
print("Final amount =", amount+result)

Sample Input और Output:
Enter amount: 2000
Enter GST rate: 18
GST = 360
Final amount = 2360

17. Body mass index (BMI)

Weight (kg) और height (metres) से BMI निकालता है।

Formula: BMI = weight / (height x height)

PYTHON

weight = float(input("Enter weight in kg: "))
height = float(input("Enter height in metres: "))
result = weight / (height * height)
print("BMI =", result)

Sample Input और Output:
Enter weight in kg: 72
Enter height in metres: 1.8
BMI = 22.2222

18. Number का square और cube

एक number input लेकर उसका square और cube दिखाता है।

Formula: Square = n x n; Cube = n x n x n

PYTHON

number = float(input("Enter a number: "))
result = number * number
print("Square =", result)
print("Cube =", number*number*number)

Sample Input और Output:
Enter a number: 5
Square = 25
Cube = 125

परिचय

50 ज़रूरी Python practice programs — calculations, decisions, loops, patterns और lists। हर एक पूरा है expected output के साथ।

Basic Calculation Programs (गणना)

1. Add two numbers

a, b = 5, 3
print("Sum =", a + b)  # 8

2. Subtract two numbers

a, b = 10, 4
print("Diff =", a - b)  # 6

3. Multiply two numbers

a, b = 6, 7
print("Product =", a * b)  # 42

4. Divide two numbers

a, b = 10, 4
print("Result =", a / b)  # 2.5

5. Find remainder

a, b = 17, 5
print("Remainder =", a % b)  # 2

6. Area of rectangle

l, w = 8, 3
print("Area =", l * w)  # 24

7. Area of circle

r = 7
print("Area =", 3.14 * r * r)  # 153.86

8. Simple interest

p, r, t = 1000, 5, 2
print("SI =", (p * r * t) / 100)  # 100.0

9. Average of three numbers

a, b, c = 10, 20, 30
print("Avg =", (a + b + c) / 3)  # 20.0

10. Swap two numbers

a, b = 5, 9
a, b = b, a
print("a =", a, "b =", b)  # a = 9 b = 5

If-Else और If-Elif Programs

1. Check even or odd

n = 7
if n % 2 == 0:
    print("Even")
else:
    print("Odd")  # Odd

2. Largest of two numbers

a, b = 12, 20
print(a if a > b else b)  # 20

3. Largest of three numbers

a, b, c = 5, 9, 3
if a >= b and a >= c:
    print(a)
elif b >= c:
    print(b)
else:
    print(c)  # 9

4. Positive, negative or zero

n = -4
if n > 0:
    print("Positive")
elif n < 0:
    print("Negative")
else:
    print("Zero")  # Negative

5. Check pass or fail

marks = 45
if marks >= 33:
    print("Pass")
else:
    print("Fail")  # Pass

6. Grade using if-elif

m = 82
if m >= 90:
    print("A+")
elif m >= 75:
    print("A")
elif m >= 33:
    print("Pass")
else:
    print("Fail")  # A

7. Check leap year

y = 2024
if (y % 4 == 0 and y % 100 != 0) or y % 400 == 0:
    print("Leap")
else:
    print("Not Leap")  # Leap

8. Check vowel or consonant

ch = "e"
if ch in "aeiou":
    print("Vowel")
else:
    print("Consonant")  # Vowel

9. Divisible by 5 and 11

n = 55
if n % 5 == 0 and n % 11 == 0:
    print("Yes")
else:
    print("No")  # Yes

10. Largest using ternary

a, b = 7, 4
print(a if a > b else b)  # 7

Loop Programs (for/while)

1. Print 1 to 10

for i in range(1, 11):
    print(i, end=" ")  # 1..10

2. Sum of first N numbers

n = 5
print("Sum =", sum(range(1, n + 1)))  # 15

3. Factorial

n, f = 5, 1
for i in range(1, n + 1):
    f *= i
print("Factorial =", f)  # 120

4. Multiplication table

n = 5
for i in range(1, 11):
    print(n, "x", i, "=", n * i)

5. Print even numbers 1-20

for i in range(2, 21, 2):
    print(i, end=" ")  # 2..20

6. Reverse a number

n, rev = 1234, 0
while n > 0:
    rev = rev * 10 + n % 10
    n //= 10
print(rev)  # 4321

7. Sum of digits

n, s = 123, 0
while n > 0:
    s += n % 10
    n //= 10
print("Sum =", s)  # 6

8. Count digits

n, c = 98765, 0
while n > 0:
    c += 1
    n //= 10
print("Digits =", c)  # 5

9. Check prime

n = 13
prime = all(n % i != 0 for i in range(2, n))
print("Prime" if prime else "Not Prime")  # Prime

10. Fibonacci series

a, b = 0, 1
for _ in range(7):
    print(a, end=" ")
    a, b = b, a + b  # 0 1 1 2 3 5 8

Pattern Programs (आकृति)

1. Square of stars

for i in range(4):
    print("* " * 4)

2. Right triangle

for i in range(1, 6):
    print("* " * i)

3. Inverted triangle

for i in range(5, 0, -1):
    print("* " * i)

4. Number triangle

for i in range(1, 6):
    for j in range(1, i + 1):
        print(j, end=" ")
    print()

5. Repeated number triangle

for i in range(1, 6):
    print((str(i) + " ") * i)

6. Right-aligned triangle

for i in range(1, 5):
    print("  " * (4 - i) + "* " * i)

7. Pyramid of stars

n = 4
for i in range(1, n + 1):
    print(" " * (n - i) + "*" * (2 * i - 1))

8. Alphabet triangle

for i in range(1, 6):
    for j in range(i):
        print(chr(65 + j), end=" ")
    print()

9. Diamond pattern

n = 3
for i in range(1, n + 1):
    print(" " * (n - i) + "*" * (2 * i - 1))
for i in range(n - 1, 0, -1):
    print(" " * (n - i) + "*" * (2 * i - 1))

10. Hollow square

n = 4
for i in range(n):
    for j in range(n):
        if i in (0, n - 1) or j in (0, n - 1):
            print("*", end=" ")
        else:
            print(" ", end=" ")
    print()

List (Array) Programs (सूची)

1. Sum of list

a = [10, 20, 30, 40]
print("Sum =", sum(a))  # 100

2. Largest in list

a = [3, 7, 2, 9, 4]
print("Max =", max(a))  # 9

3. Smallest in list

a = [3, 7, 2, 9, 4]
print("Min =", min(a))  # 2

4. Average of list

a = [10, 20, 30]
print("Avg =", sum(a) / len(a))  # 20.0

5. Reverse a list

a = [1, 2, 3, 4, 5]
print(a[::-1])  # [5, 4, 3, 2, 1]

6. Count even numbers

a = [1, 2, 3, 4, 5, 6]
print("Even =", sum(1 for x in a if x % 2 == 0))  # 3

7. Linear search

a = [5, 8, 12, 3]
key = 12
print("Found at", a.index(key))  # 2

8. Copy a list

a = [1, 2, 3]
b = a.copy()
print(b)  # [1, 2, 3]

9. Sort ascending

a = [5, 2, 8, 1]
a.sort()
print(a)  # [1, 2, 5, 8]

10. Count positive/negative

a = [-1, 2, -3, 4, 5]
p = sum(1 for x in a if x >= 0)
n = len(a) - p
print("Pos =", p, "Neg =", n)  # Pos = 3 Neg = 2

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