W3School TIY Editor

from scipy import constants

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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)