Aug 9, 2010 · 571 Does Python have a string contains substring method? 99% of use cases will be covered using the keyword, in, which returns True or False:

52 The Python documentation notes the difference between the three methods. str.isdigit Return true if all characters in the string are digits and there is at least one character, false otherwise. Digits …

More broadly, this is true for all Python string methods that change a string's content, e.g. replace, strip, translate, lower / upper, join,... You must assign their output to something if you want to use it and …

To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not being a lazy language, …

Is there an efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here: Simple concatenation using + Using a string lis...

Feb 26, 2012 · The string.replace() is deprecated on python 3.x. What is the new way of doing this?

Oct 1, 2016 · All string characters are unicode literal in Python 3; as a consequence, since str.split() splits on all white space characters, that means it splits on unicode white space characters.

That is, the string provided as an argument is considered as a set of characters, not as a substring. lstrip and rstrip work the same way, except that lstrip only removes characters on the left (at the …

If I have a Python class, and would like to call a function from it depending on a variable, how would I do so? I imagined following could do it: class CallMe: # Class def App(): # Method one ...

Dec 29, 2011 · I've been using string.join() method in python 2 but it seems like it has been removed in python 3. What is the equivalent method in python 3? string.join() method let me combine multiple …