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# Python Arithmetic Operators

Assume variable a holds 10 and variable b holds 20, then −

Sr.No | Operator & Description | Example |
---|---|---|

1 | + AdditionAdds values on either side of the operator. | a + b = 30 |

2 | - SubtractionSubtracts right hand operand from left hand operand. | a – b = -10 |

3 | * MultiplicationMultiplies values on either side of the operator | a * b = 200 |

4 | / DivisionDivides left hand operand by right hand operand | b / a = 2 |

5 | % Modulus% Modulus | b % a = 0 |

6 | ** ExponentPerforms exponential (power) calculation on operators | a**b =10 to the power 20 |

7 | //Floor Division - The division of operands where the result is the quotient in which the digits after the decimal point are removed. But if one of the operands is negative, the result is floored, i.e., rounded away from zero (towards negative infinity) − | 9//2 = 4 and 9.0//2.0 = 4.0, -11//3 = -4, -11.0//3= -4.0 |

## Example

Assume variable a holds 21 and variable b holds 10, then −

#!/usr/bin/python a = 21 b = 10 c = 0 c = a + b print "Line 1 - Value of c is ", c c = a - b print "Line 2 - Value of c is ", c c = a * b print "Line 3 - Value of c is ", c c = a / b print "Line 4 - Value of c is ", c c = a % b print "Line 5 - Value of c is ", c a = 2 b = 3 c = a**b print "Line 6 - Value of c is ", c a = 10 b = 5 c = a//b print "Line 7 - Value of c is ", c

When you execute the above program, it produces the following result −

Line 1 - Value of c is 31 Line 2 - Value of c is 11 Line 3 - Value of c is 210 Line 4 - Value of c is 2 Line 5 - Value of c is 1 Line 6 - Value of c is 8 Line 7 - Value of c is 2

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