W3School TIY Editor

from scipy import constants print(constants.gram) print(constants.metric_ton) print(constants.grain) print(constants.lb) print(constants.pound) print(constants.oz) print(constants.ounce) print(constants.stone) print(constants.long_ton) print(constants.short_ton) print(constants.troy_ounce) print(constants.troy_pound) print(constants.carat) print(constants.atomic_mass) print(constants.m_u) print(constants.u)