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mac = "b5b4-7422-37bc"
 
s = list(mac.replace("-",""))
 
for i in range(2, int((len(s) - 1) * 1.5), 3):
  s.insert(i,":")
 
print("".join(s))

Success #stdin #stdout 0.02s 9196KB

stdin

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Standard input is empty

stdout

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b5:b4:74:22:37:bc

https://ideone.com/96tSVy

language:

Python 3 (python 3.12)

created:

visibility:

secret

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