Eventually you're going to have to use something printf-like function such as sprintf anyway. I was just proposing something that kept the numbers as numbers instead of stringifying them. It is numerically 12.0, even if print decides to show it as 12 without the decimal.
That being said, any time you're dealing with floating point numbers it's pretty much advised to use some kind of formatting method. Some numbers might be assigned a value of 12.0 but end up displaying as 11.9999999999999999981 instead, or even 12.00000000000000012.
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