How to calculate the remainder after dividing two numbers in python

The remainder in Python can be calculated through the modulo operator % or through the divmod() function.

1. Modulo operator %:

The so-called modulo operation is to calculate the remainder after dividing two numbers, and the symbol is %. For example, a % b is the remainder of dividing a by b. To describe it in mathematical language, if there are integers n and m, among which 0

The modulo operation Both operands must be integers and can be negative integers, but b cannot be 0 because the dividend cannot be 0.

When there are negative integers in a and b, |a|%|b|=c is first calculated, and then the sign of a%b is consistent with b. That is to say, if b>0, then a%b=c; if b

Example:

##2. divmod() function

The divmod() function in python combines the results of the divisor and remainder operations and returns a tuple containing the quotient and remainder (a // b, a % b).

Plural numbers are not allowed to be processed before python2.3.

Function syntax:

divmod(a, b)

Example:

>>>divmod(7, 2)
(3, 1)
>>> divmod(8, 2)
(4, 0)

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