The round function
The round function rounds the floating-point number specified in the first parameter to the nearest integer according to the rules of mathematical rounding. The second optional parameter of the function specifies how many digits to leave in the fractional part.
Syntax
round(number, [signs in the fractional part])
Example
Let's round to whole numbers 3.458:
print(round(3.458))
Result of code execution:
3
Example
Let's round to whole numbers 3.6771:
print(round(3.6771))
Result of code execution:
4
Example
Now let's round the number to the second decimal place:
print(round(3.458, 2))
Result of code execution:
3.68
Example
Let's round a negative number to the third decimal place:
print(round(-1.4567, 3))
Result of code execution:
-1.457
