How can I convert a string into uppercase in Python? When I tried to research the problem, I found something about string.ascii_uppercase, but it couldn't solve the problem:

I have a Python list variable that contains strings. Is there a function that can convert all the strings in one pass to lowercase and vice versa, uppercase?

Mar 5, 2019 · In Python str.upper() returns a copy of the string with upper case values, and does not mutate the original string. In fact, strings in Python are immutable anyways.

4 So to return a copy of a string converted to lowercase or uppercase one obviously uses the lower() or upper(). But how does one go about making a copy of a string with specific letters converted to upper …

Jul 7, 2015 · 8 str.upper() wants a plain old Python 2 string unicode.upper() will want a unicode not a string (or you get TypeError: descriptor 'upper' requires a 'unicode' object but received a 'str') So I'd …

Aug 2, 2017 · It's great that you're learning Python! In your example, you are trying to uppercase a list. If you think about it, that simply can't work. You have to uppercase the elements of that list. …

astype () will cast each series to the dtype object (string) and then call the str () method on the converted series to get the string literally and call the function upper () on it. Note that after this, the dtype of all …

Jul 25, 2013 · Is it possible to capitalize a word using string formatting? For example, "{user} did such and such.".format(user="foobar") should return "Foobar did such and such." Note that I'm well aware …

Oct 11, 2016 · 2 In case you need to convert to sentence case a string that contains multiple sentences, I wrote this function:

Both .capitalize () and .title (), changes the other letters in the string to lower case. Here is a simple function that only changes the first letter to upper case, and leaves the rest unchanged.