Python 3 Arithmetic Operators
Assume variable a
holds the value 10 and variable b holds the value 21, then-
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Operator
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Description
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Example
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+ Addition
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Adds values on either side of the operator
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a + b = 31
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-Subtraction
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Subtracts right hand operand from left hand
operand.
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a – b = -11
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* Multiplication
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Multiplies values on either side of the operator
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a * b = 210
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/ Division
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Divides left hand operand by right hand
operand
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b / a = 2.1
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% Modulus
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Divides left hand operand by right hand
operand and returns remainder
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b % a = 1
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** Exponent
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Performs exponential (power) calculation on
operators
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a**b =10 to the
power 21
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//
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Floor Division - The division of operands where
the result is the quotient in which the digits
after the decimal point are removed.
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9//2 = 4 and
9.0//2.0 = 4.0
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Example
Assume variable a holds 21 and variable b holds 10, then-
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#!/usr/bin/python3
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)
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The output is:
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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 2.1
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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