This article is used to record standard modules in Python and update at any time.
decimalModule (solving fractional circulation problem):
>>> import decimal
>>> a = decimal.Decimal(‘10.0’)
>>> b = decimal.Decimal(‘3’)
>>> a / b
Decimal(‘3.333333333333333333333333333’)
fractionsModule (solving fractional presentation problem):
>>> from fractions import Fraction >>> Fraction(10, 3) Fraction(10, 3) >>> Fraction(10, 4) Fraction(5, 2) >>> Fraction(6, 2) Fraction(3, 1)