python how to round to 3 decimal places code example

Example 1: round to two decimal places python

>>> x = 13.949999999999999999
>>> x
13.95
>>> g = float("{0:.2f}".format(x))
>>> g
13.95
>>> x == g
True
>>> h = round(x, 2)
>>> h
13.95
>>> x == h
True

Example 2: python round to dp

round(float_num, num_of_decimals)

Example 3: how to round a float in python

round(number, ndigits)

Example 4: 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