python round a number code example

Example 1: round python

int x = 6.3456824221

#round(number_to_roundoff, round_off_till)
#round_off_till is optional

print(round(x))    		#output: 6
print(round(x, 3)) 		#output: 6.346
print(round(x, 1)  		#output: 6.3

Example 2: how to round in python

# To round a number in Python, use 'round()'
round(21.57) # Output: 22
round(5.473, 2) # Output: 5.47

Example 3: how to round a float in python

round(number, ndigits)

Example 4: rounding numbers in python

>>> round(2.5)
2

Example 5: how to round whole numbers in python

#To round decimals
round(123.4)
#To select the significant number you whish to round to
#add extra parameter
round(12.456, 2)
#To round whole numbers
round(1236, -1)

Example 6: round python

# round(number, decimals).
# second parameter is optional, defaults to 0.

num1 = 1.56234
num2 = 1.434

print(round(num1))    	# output: 2
print(round(num2))		# output: 1
print(round(num1, 3)) 	# output: 1.562
print(round(num2, 1)  	# output: 6.3