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Python 1,2,3, Pyth, Seriously 40 bytes/5^3 = 0.32
#4X.q5
import sys
print(sys.version[0])
Python 1,2,3 prints their version
This is based on the same code by sweerpotato. The # starts a comment so the first line is not compiled.
Pyth prints 4
#4X.q starts a while loop, X does something unne...