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from sympy import* lambda s,p:`Rational'%.*f'%(p,S(s).round(p)`[:-0**p or None])
Try it online!Try it online!
from sympy import* lambda s,p:`Rational(s).round(p)`[:-0**p or None]
Try it online!
from sympy import* lambda s,p:'%.*f'%(p,S(s).round(p))
