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I. brief introduction

Round (): a method in python for rounding numbers when dealing with decimal numbers. It is expressed in the following syntax:

Round (number, digits)

Number is a required parameter for numbers to be rounded

Digits is an optional parameter for the number of decimal places to be used when rounding

◦ is 0 by default

◦ if the last digit after the decimal point > = 5, it is rounded to the next integer

◦ if the last digit after the decimal point = 5, it will be round off to the next integer print (round (10.466, 2)) # if the last digit after the decimal is

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