How do I put a variable’s value inside a string (interpolate it into the string)? Asked 15 years, 8 months ago Modified 1 year, 11 months ago Viewed 1.5m times

This is a built in method for all strings in python, which allow you to easily replace the placehoder {} within python strings, with any variables. Unlike solution number 3 above, this format() method …

Jul 19, 2012 · I have a variable with a string assigned to it and I want to define a new variable based on that string.

Closed 5 years ago. I want to introduce a variable [i] into a string in Python. For example look at the following script. I just want to be able to give a name to the image, for example geo[0].tif ... to …

Hence, if your class copes with empty strings and you like it as a default value, use "". If your class needs to check if the variable was set at all, use None. Notice that it doesn't matter if your variable is …

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 string)? if …

Does Python have something like an empty string variable where you can do: if myString == string.empty: Regardless, what's the most elegant way to check for empty string values? I find hard …

I am using python to work out how many children would be born in 5 years if a child was born every 7 seconds. The problem is on my last line. How do I get a variable to work when I'm printing text ...

print(user_input.format(element=value)) String formatting placeholders that use names (such as {element}) are not variables. You assign a value for each name in the keyword arguments of the …

Oct 23, 2015 · If it's a global variable, then you can do: >>> a = 5 >>> globals()['a'] 5 A note about the various "eval" solutions: you should be careful with eval, especially if the string you're evaluating …