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python - Remove the first character of a string

I would like to remove the first character of a string.

For example, my string starts with a : and I want to remove that only. There are several occurrences of : in the string that shouldn't be removed.

I am writing my code in Python.

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python 2.x

s = ":dfa:sif:e"
print s[1:]

python 3.x

s = ":dfa:sif:e"
print(s[1:])

both prints

dfa:sif:e

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