Dec 14, 2010 · When you concatenate strings using the + operator, Python will call the __add__ method on the string on the left side passing the right side string as a parameter. – Addie …

Sep 24, 2016 · One final thing to mention about strings is that using join() is not always best. In the instances where you are creating a new string from a pre-determined number of strings, …

The speed can be contrasted with the fastest method for Python 2, which is + concatenation on my computer; and that takes 0.203 µs with 8-bit strings, and 0.259 µs if the strings are all …

Nov 23, 2011 · Well, you coud add strings to the list inside your loop, and after it, join them. It's much more efficient (in fact, it's the recommended way) than appending the strings inside the …

See Format String Syntax for a description of the various formatting options that can be specified in format strings. This method of string formatting is the new standard in Python 3.0, and …

If you are using python 3.6 and newer then you can use f-strings to do the task like this. print(f"I have {card.price}") just include f in front of your string and add the variable inside curly braces …

I'm new to Python and can't find a way to insert a string into a list without it getting split into individual characters: >>> list=['hello','world'] >>> list ['hello', 'world'] ...

f-strings. This is the recommended approach when possible. It looks like f'hanning{num}.pdf'. The names of variables to insert appear directly in the string. It is important to note that there is not …

Apr 8, 2012 · Strings are immutable so you can't insert characters into an existing string. You have to create a new string. You can use string concatenation to do what you want: yourstring …

Sep 17, 2012 · @Wouter, it will not. On the one hand, only lists of strings can be joined; so list.join would be inappropriate for an arbitrary list. On the other, the argument of str.join can be any …