python - Math operations from string - Stack Overflow
Nov 13, 2016 · Let's say I have a standard Python string (such as one obtained from raw_input()), maybe "2 + 2" for simplicity's sake. I'd like to convert this string to standard math operations in …
Using "and" and "or" operator with Python strings
Also the type of the variable parameter is a string. In this context, as I can't imagine a case where usage of boolean operators on strings would make sense, I want to ask the question: Why …
What is the most efficient string concatenation method in Python ...
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 …
python - pandas - perform string operation on all elements of a …
Apr 13, 2016 · pandas - perform string operation on all elements of a column Asked 9 years, 7 months ago Modified 5 years, 11 months ago Viewed 16k times
python - Vectorized string operations in Numpy: why are they …
Mar 5, 2018 · Starting from numpy 1.4, if one needs arrays of strings, it is recommended to use arrays of dtype object_, string_ or unicode_, and use the free functions in the numpy.char …
python - Evaluating a mathematical expression in a string - Stack …
Mar 3, 2010 · Python bytecode is a stack oriented language, so everything is a simple matter of TOS=stack.pop(); op(TOS); stack.put(TOS) or similar. The key is to only implement the …
How to make the python interpreter correctly handle non-ASCII ...
Aug 27, 2009 · In Python 2, you can from __future__ import unicode_literals to obtain the Python 3 behavior, but be aware this affects the entire current module. s.replace(u"Â ", u"") will also …
Is it possible to do bitwise operations on a string in Python?
Aug 20, 2014 · I don't know about bitwise operations on strings but the struct worked great for me. Here's the use case. The SGF file format exists for recording certain games. In the case of Go, …
hackerrank python 3 string operation, resume function for 8 …
Mar 24, 2021 · There are 6 test cases and 5 are getting passed based on python 3 on a string operations problem, but 1 test case is failing since inception. Pls help me out. The question is …
python - performing multiple string operations on a pandas Series ...
I would like to perform several operations on a particular Series. Is there a way to chain them without continually writing .str? ie if my series is called s and i want to do s.str.replace("hi", "...