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:

Mar 2, 2015 · result = text.lower().replace(string.punctuation, ' ').split(' ') With great python comes great responsibility: don't abuse this feature! The canonical maximum line length codified in …

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 …

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 …

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 …

Dec 14, 2010 · For handling multiple strings in a list, see How to concatenate (join) items in a list to a single string. See How do I put a variable’s value inside a string (interpolate it into 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 ...

str.find() and str.index() are nearly identical. the biggest difference is that when a string is not found, str.index() throws an error, like the one you got, while str.find() returns -1 as others' …

Follow-up: How to find all occurrences of a substring in a string while ignore some characters in Python?

May 7, 2025 · I need help on how to define and test three functions on strings. Following these guidelines. This is review for my exam on Wednesday and would really like to have the correct …