And its checking right up to the end of that. Query the position of the character in the string, and return the subscript serial number of the first character. Let's take a look at some more examples of the rfind() method in Python for a better understanding: In the above example, we are finding the index of the last occurrence of "cream" in the string "I scream you scream, we all scream ice-cream" using the rfind() method. In other words, can I see a use case where returning an error is preferred over returning -1? If you specify the range of beg (beginning) and end (end), then check whether it is included in the specified ran Index () and Find () in Python can find the subscript, then where is the difference between the two? Python SHA256 Hashing Algorithm: Explained, Remove an Item from a Python List (pop, remove, del, clear). 09:12. swapcase() :- This function is used to swap the cases of string i.e upper case is converted to lower case and vice versa.10. Great! Learn to code interactively with step-by-step guidance. In this section, you learned how to use the Python rfind method to see if a string only exists a single time in a larger string. Default is to the end of the string. When a gnoll vampire assumes its hyena form, do its HP change? Again, it will return True if the string starts with the specified prefix, or False otherwise. Its syntax is the same as find () and it also takes the arguments that find () takes. sentence = "Python is Python and C is C" lookfor = sentence.find("Java") print(lookfor) Output : -1 index () gives an error when a value or substring is not found. 5. islower(string) :- This function returns true if all the letters in the string are lower cased, otherwise false.6. This string is going to have multiple instances of the word 'spam' in it. And here, you can see it found 4 versions of that substring throughout there. Hey, guys today we are going to learn the difference between find() and index() in Python. For this one, create a new string of 'baconsausage'. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. rfind () is similar to find () but there is a small difference. Join us and get access to thousands of tutorials and a community of expert Pythonistas.