How to calculate in python

Python calculations mainly use Python operators. Let’s take a simple example: 4 5 = 9. In the example, 4 and 5 are called operands, and " " is called the operator.

The Python language supports a lot of operators. Here we only introduce the arithmetic operators used in calculations. (Recommended learning: Python video tutorial)

The following hypothetical variables: a=10, b=20:

##Add - Add two objects a b and output the result 30- Subtract- Get a negative number or One number subtracts another numbera - b Output result-10##*/%##**#Round and divide - Return the integer part of the quotient (rounded down)4 >>> -9//2Python Tutorial column to learn!

Operator	Description	Instance
Multiply- Multiply two numbers or return a string repeated several times	a * b The output result is 200
Divide - x divided by y	b / a Output result 2
Modulo - Returns the remainder of division	b % a Output result 0
Power - Returns the y power of		>>> 9//2
-5		# Example: #!/usr/bin/python# -*- coding: UTF-8 -*-  a = 21b = 10c = 0  c = a + bprint "1 - c 的值为：", c  c = a - bprint "2 - c 的值为：", c   c = a * bprint "3 - c 的值为：", c   c = a / bprint "4 - c 的值为：", c   c = a % bprint "5 - c 的值为：", c  # 修改变量 a 、b 、ca = 2b = 3c = a**b print "6 - c 的值为：", c  a = 10b = 5c = a//b print "7 - c 的值为：", c The output result of the above example: 1 - c 的值为： 31 2 - c 的值为： 11 3 - c 的值为： 210 4 - c 的值为： 2 5 - c 的值为： 1 6 - c 的值为： 8 7 - c 的值为： 2 For more Python-related technical articles, please visit the

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