python round function

The round() function returns the rounded floating point value number, rounded to ndigits digits after the decimal point. If ndigits is omitted, it defaults to zero.

Note: For the built-in types supporting round(), values are rounded to the closest multiple of 10 to the power minus ndigits; if two multiples are equally close, rounding is done toward the even choice (so, for example, both round(0.5) and round(-0.5) are 0, and round(1.5) is 2). The return value is an integer if called with one argument, otherwise of the same type as number.





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