float formatting python code example

Example 1: python 2 decimal places

print(format(432.456, ".2f"))

>> 432.45

print(format(321,".2f"))

>> 321.00

Example 2: python format float

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

Example 3: python format numeric output

for x in numbers:
    print "{:10.4f}".format(x)
prints

   23.2300
    0.1233
    1.0000
    4.2230
 9887.2000