Python Important Practical

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1. Write a python program to find area of circle.

PI=3.14

radius=int(input("Enter radius of circle: "))

area=PI*radius*radius

print("Area of circle is : ",area)

2.write a python program to print this pattern.

*

**

***

****

for i in range(1,5):

    print("*"*i)

3. Write a python program to change the value  celsius to fahrenheit.

c=float(input("Enter value in celcius: "))

far=c*1.8+32

print("The value is farenheit is: ",far)

4. Write a python program to find the area of triangle.

base=float(input("Enter value of base: "))

height=float(input("Enter value of height: "))

area=1/2*base*height

print("Area of the triangle is: ",area)

5. Write a python program to check leap year or not.

year = int(input("Enter any year: "))

if (year%4==0 and year%100!=0) or year%400==0:

    print("leap year")

else:

    print("not a leap year")

6. Write a python program to check number is even or odd.

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

if num%2==0:

    print("given number is Even")

else:

    print("odd number")

7. Write a python program to print all number from 0 to 6 numbers except 3 and 6.

for i in range(7):

    if i==3 or i==6:

        continue

    print(i)

8. Write a python program swapping two number.

a=int(input("Enter value of a: "))

b=int(input("Enter value of b: "))

print("before swaping value of a =",a,"b=",b)

temp=a

a=b

b=temp

print("after swaping value of a =",a,"b=",b)

9. Write a python program to check number is positive , negative or zero.

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

if num>0:

    print("positive")

elif num<0:

    print("negative")

else:

    print("zero")

10. Write a python program to convert decimal to binary, octal and hexadecimal.

deci=int(input("Enter value in decimal: "))

print("binari value is ",bin(deci))

print("octal value is ",oct(deci))

print("hexadecimal value is ",hex(deci))

11. Write a python program to find gcd of two numbers.

a=int(input("enter 1st number: "))

b=int(input("enter 2nd number: "))

while b!=0:

    a,b=b,a%b

print("The gcd is ",a)

12. Write a python program to find the lcm of two numbers.

a=int(input("Enter 1st number: "))

b=int(input("Enter 2nd number: "))

if a>b:

    greater=a

else:

    greater=b

while True:

    if greater%a==0 and greater%b==0:

        lcm=greater

        break

    greater+=1

print("The lcm of ",a,"and",b,"is",lcm)

13. Write a python program to find the sum of digits.

num=input("Enter any number: ")

sum=0

for digit in num:

    sum=sum+int(digit)

print("The sum of digits ",sum)

14. Write a python program to find the sum of any five numbers.

sum=0

for i in range(5):

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

    sum=sum+num

print("The sum of all five number: ",sum)

15. Write a python program to find the sum of square root of any three numbers .

import math

sum=0

for i in range(3):

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

    sum=sum+math.sqrt(num)

print("The sum of square root of three number is : ",sum)

16. Write a python program to implement a calculator to do basic operations like (+,-,*,/).

num1=float(input("Enter 1st number: "))

op=input("Enter + or - or * or / : ")

num2=float(input("Enter 2nd number: "))

if op=="+":

    print("addition is ",num1+num2)

elif op=="-":

    print("subtraction is ",num1-num2)

elif op=="*":

    print("multiply is ",num1*num2)

elif op=="/":

    print("divide is ",num1/num2)

else:

    print("invalid operator")

                     

Please Like

Q.Write a python program to check vowels or not.

c=input("Enter any char: ")

vowels={'a', 'e', 'i', 'o' ,’A’ ,’E’ ,’I’ ,’O’ ,’U’}

if c in vowels:

    print("vowel")

else:

    print("not a vowel")