${pkgsFilc.python3}/bin/python3 -c '

from decimal import Decimal, getcontext

getcontext().prec = 50

assert str(Decimal("1.5")) == "1.5"

assert str(Decimal(2).sqrt())[:12] == "1.4142135623"

assert str(Decimal("12345678901234567890") * Decimal("98765432109876543210")) == "1219326311370217952237463801111263526900"

assert repr(12.3) == "12.3", repr(12.3)

print("decimal and float repr ok")

'

touch $out