You can optionally provide the round() function with the second parameter, which indicates how many decimal places you want to retain. When you do, you’ll always get a Fraction rather than an integer, even when you request zero digits:...
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fairly complicated. Most people will only use 'with' in company with existing objects and don't need to know these details, so you can skip the rest of this section if you like. Authors of new objects will need to understand the details of the underlying implementation and should keep ...
<num> = pow(<num>, <num>) # Or: <number> ** <number> <num> = abs(<num>) # <float> = abs(<complex>) <num> = round(<num> [, ±ndigits]) # `round(126, -1) == 130` Mathfrom math import e, pi, inf, nan, isinf, isnan # `<el> == nan` is always False. from...
In Python 3.0, the PEP slightly redefines the existing builtins round(), math.floor(), math.ceil(), and adds a new one, math.trunc(), that's been backported to Python 2.6. math.trunc() rounds toward zero, returning the closest Integral that's between the function's argument and zero...
In Python 3.0, the PEP slightly redefines the existing builtins round(), math.floor(), math.ceil(), and adds a new one, math.trunc(), that's been backported to Python 2.6. math.trunc() rounds toward zero, returning the closest Integral that's between the function's argument and zero...
It's important that these methods use the same rounding mode than datetime.timedelta to keep the property: (datetime(1970,1,1) + timedelta(seconds=t)) == datetime.utcfromtimestamp(t). It also the rounding mode used by round(float) for example. - bpo-25155: Fix datetime.datetime.now()...