round()
Takes a number and an integer as parameters, and returns the number with decimal places equal to the integer.
Syntax
round(number, digits)
number
is the number to be rounded. (Required)digits
is the number of decimals when rounding the number. Default is 0.
Example 1
The default number of decimal places used is 0.
my_number = 3.14159265359my_rounded_number = round(my_number)print(my_rounded_number)# Output: 3
Example 2
round()
can be used with any number of decimal places. Numbers >=
5 will round up.
my_number = 3.14159265359my_rounded_number = round(my_number, 4)print(my_rounded_number)# Output: 3.1416
Example 3
round()
can be useful when comparing numbers, for example, when comparing fractions and decimals.