Python – Programs on Arithmetic Operators

Adding 2 numbers:

num1 = float(input(“Enter the first number: “))
num2 = float(input(“Enter the second number: “))
sum = num1 + num2
print(“The sum of”, num1, “and”, num2, “is”, sum)

Arithmetic Operations:

num1 = float(input(“Enter the first number: “))
num2 = float(input(“Enter the second number: “))
 
sum = num1 + num2
difference = num1 – num2
product = num1 * num2
quotient = num1 / num2
remainder = num1 % num2
floordiv = num1 // num2
 
print(“Sum:”, sum)
print(“Difference:”, difference)
print(“Product:”, product)
print(“Quotient:”, quotient)
print(“Remainder :”, remainder)
print(“Floor Division :”, floordiv)

Program to display the last digit of given number:

num = int(input(“Enter a number: “))
last_digit = num % 10
print(“The last digit of”, num, “is”, last_digit)

Progam to remove last digit of given number:

num = int(input(“Enter a number: “))
num = num//10
print(“The number with the last digit removed is”, num)

Find Total and Average of 4 numbers:

mark1 = float(input(“Enter the first mark: “))
mark2 = float(input(“Enter the second mark: “))
mark3 = float(input(“Enter the third mark: “))
mark4 = float(input(“Enter the fourth mark: “))
average = (mark1 + mark2 + mark3 + mark4) / 4
print(“The average of the four marks is”, average)

Find sum of square and cube of given number:

num = int(input(“Enter a number: “))
square = num ** 2
cube = num ** 3
sum = square + cube
print(“The sum of the square and cube of”, num, “is”, sum)

Calculate Total Salary for given basic Salary:

basic_salary = float(input(“Enter the basic salary: “))
 
# Calculate the allowances and deductions
hra = 0.2 * basic_salary
da = 0.1 * basic_salary
pf = 0.05 * basic_salary
 
# Calculate the gross and net salary
gross_salary = basic_salary + hra + da
net_salary = gross_salary – pf
 
# Print the result
print(“Basic salary:”, basic_salary)
print(“HRA:”, hra)
print(“DA:”, da)
print(“PF:”, pf)
print(“Gross salary:”, gross_salary)
print(“Net salary:”, net_salary)

Swapping 2 numbers:

num1 = float(input(“Enter the first number: “))
num2 = float(input(“Enter the second number: “))
 
# Before swapping
print(“Before swapping:”)
print(“num1 =”, num1)
print(“num2 =”, num2)
 
# Swap the values
temp = num1
num1 = num2
num2 = temp
 
# After swapping
print(“After swapping:”)
print(“num1 =”, num1)
print(“num2 =”, num2)

Swapping 2 number without third variable:

# Take input from the user
num1 = float(input(“Enter the first number: “))
num2 = float(input(“Enter the second number: “))
 
# Swap the values without using a third variable
num1, num2 = num2, num1
 
# After swapping
print(“After swapping:”)
print(“num1 =”, num1)
print(“num2 =”, num2)

Another Way:

// Swap the values without using a third variable
num1 = num1 + num2;
num2 = num1 – num2;
num1 = num1 – num2;
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