Python:Substring

Python:String Functions

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Python uses a "slice" notation for retrieving a substring from a string. It is written like this string[a:b].

[5:7] extracts characters (takes a slice) from position 5 to just before position 7.

Note that this can also be used to get a slice from array like structures.

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for s in "One two three\nfour five six".split("\n"): print "%-20s%-20s" % (s,Q(Qs[5:7]Q)Q)

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test text

 

 

 

 

Use [a:] to get part of a string.

[5:] extracts characters form position 5 to the end. The : is required to show that you want to go to the end of the string.

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for s in "One two three\nfour five six".split("\n"): print "%-20s%-20s" % (s,Q(Qs[5:]Q)Q)

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test text

 

 

 

 

Use [a] to get a single character from a string.

[5] extracts the character form position 5.

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for s in "One two three\nfour five six".split("\n"): print "%-20s%-20s" % (s,Q(Qs[5]Q)Q)

[Font] [Default] [Show] [Resize] [History] [Profile]

test text