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Division Operators in Python
Consider the below statements in Python.
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Python3
# A Python program to demonstrate the use of# "//" for integersprint (5//2)print (-5//2) |
Output:
2 -3
The first output is fine, but the second one may be surprised if we are coming Java/C++ world. In Python, the “//” operator works as a floor division for integer and float arguments. However, the operator / returns a float value if one of the arguments is a float (this is similar to C++)
Note:
The “//” operator is used to return the closest integer value which is less than or equal to a specified expression or value. So from the above code, 5//2 returns 2. You know that 5/2 is 2.5, the closest integer which is less than or equal is 2[5//2].( it is inverse to the normal maths, in normal maths the value is 3).
Python3
# A Python program to demonstrate use of# "/" for floating point numbersprint (5.0/2)print (-5.0/2) |
Output:
2.5 -2.5
The real floor division operator is “//”. It returns floor value for both integer and floating point arguments.
Python3
# A Python program to demonstrate use of# "//" for both integers and floating pointsprint (5//2)print (-5//2)print (5.0//2)print (-5.0//2) |
Output:
2 -3 2.0 -3.0
See this for example.
This article is contributed by Arpit Agrawal. Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above
