print(sun.spct)
print(sun.spct, n = 5)
print(q2e(sun.spct, action = "replace"))
print(e2q(sun.spct, action = "replace"))
print(polyester.spct)
print(any2A(polyester.spct))
print(any2Afr(polyester.spct))
print(two_filters.spct)
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