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 = 3.14159265359

my_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 = 3.14159265359

my_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.

Code
Output
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