Add two Float values and get up to 2 precision values

Question

Can we get up to 2 precision values when we add 2 float values of containing 0 as 2nd precision without changing its type as Float

I have a snippet like

a = 1.20+1.20
print a

the output should be like

2.40

but I got the output as 2.4 because python rounds off

I've tried like this ,

from decimal import *
getcontext().prec = 3
Decimal(1.20)+Decimal(1.20)
Decimal('2.40')

But every time I need to change the precision value!

can we get as 2.40 without changing its type? It should contain a float value as 2.40, not a string!

I need the value to be in float not in a string format! that is why I'm asking is it possible to get 1.20+1.20 =2.40 ??? — Krishna Kishore M, Nov 03 '17 at 10:17

Programmer goblin · Answer 1 · 2017-11-01T12:35:06.327

-1

Yes! you can round a float number.

>>> round(2.675, 2)
2.67

You can see more details in python's documentation

edited Nov 01 '17 at 12:35

answered Nov 01 '17 at 12:32

Programmer goblin

OP's problem is formatting floating point numbers, not internal rounding. – Tom Karzes Nov 01 '17 at 12:36
you can use print('% 6.2f' % a), to print in the format – Programmer goblin Nov 01 '17 at 12:46
Sigh. No. OP wants to format `2.4` as `2.40`. Get it? It's a formatting issue. `round` won't help at all. – Tom Karzes Nov 01 '17 at 12:48

1 Answers1