By default they remove whitespace characters (space, tabs, linebreaks, etc) It's the last practice problem from automate the boring stuff with python Without strip (), you can have empty keys and values
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Apples<tab>round, fruity things oranges<tab>round, fruity things bananas<tab> without strip (), bananas is present in the dictionary but with an empty string as value
With strip (), this code will throw an exception because it strips the tab of the banana line.
I was told it deletes whitespace but s = ss asdas vsadsafas asfasasgas print(s.strip()) prints out ss asdas vsadsafas asfasasgas shouldn't it be ssasdasvsadsafasasfasasgas? The method strip () returns a copy of the string in which all chars have been stripped from the beginning and the end of the string (default whitespace characters) So, it trims whitespace from begining and end of a string if no input char is specified At this point, it just controls whether string x is empty or not without considering spaces because an empty string is interpreted as false in.
3 just to add a few examples to jim's answer, according to.strip() docs Return a copy of the string with the leading and trailing characters removed The chars argument is a string specifying the set of characters to be removed If omitted or none, the chars argument defaults to removing whitespace.
The string.strip (), string.stripleading (), and string.striptrailing () methods trim white space [as determined by character.iswhitespace ()] off either the front, back, or both front and back of the targeted string
/** * returns a string whose value is this string, with any leading and trailing * whitespace removed. Map(str.strip, my_list) is the fastest way, it's just a little bit faster than comperhensions Use map or itertools.imap if there's a single function that you want to apply (like str.split) I know.strip() returns a copy of the string in which all chars have been stripped from the beginning and the end of the string
But i wonder why / if it is necessary. 37 the strip() method removes whitespace by default, so there is no need to call it with parameters like '\t' or '\n' However, strings in python are immutable and can't be modified, i.e The line.strip() call will not change the line object
The result is a new string which is returned by the call.
I'm trying to recreate the strip () function of python using regex
