Python round() function

Python round() function

The round() function in Python returns a number rounded to ‘ndigits’ precision after the decimal point. If ndigits is omitted or is None, it returns the nearest integer to its input.

Syntax

round(number[, ndigits])

Parameter

Number: This parameter represents the number to be rounded.

Digits: It is the optional parameter that represents the number of decimals to use when rounding the number.

Return

This function returns a floating point number after rounding off the specified number, with the specified number of decimals.

Example 1

 # Python program explaining
 # the round() function
 roud_val = round(556.7543, 2)
 print("The round value: ",roud_val) 

Output

The round value: 556.75

Example 2

 # Python program explaining
 # the round() function
 print (" The ndigit+1 if the digit is =5") 
 print(round(2.665, 2)) 
 print("The ndigit+1 if the digit is >=5") 
 print(round(2.676, 2))   
 print("The ndigit+1 if the digit is <5")  
 print(round(2.673, 2))    

Output

 The ndigit+1 if the digit is =5
 2.67
 The ndigit+1 if the digit is >=5
 2.68
 The ndigit+1 if the digit is <5
 2.67