What does rindex mean in Python?

What does rindex mean in Python?

The rindex() method finds the last occurrence of the specified value. The rindex() method raises an exception if the value is not found. The rindex() method is almost the same as the rfind() method.

How do you use rindex in Python?

Syntax:

1. substr: (Required) The substring whose index of the last occurence needs to be found.
2. start: (Optional) The starting index position from where the search should start. Default is 0.
3. end: (Optional) The ending index position till where the search should end. Default is the end of the string.

How do I get the last index in Python?

Python String rindex() Method Python string method rindex() returns the last index where the substring str is found, or raises an exception if no such index exists, optionally restricting the search to string[beg:end].

How do you create a substring in Python?

Python String Substring

1. start: The index position at which our slice should begin. This is 0 by default.
2. end: The position at which the slice ends. The character at the end position is not included in the slice.
3. step: Instructs the slice to ignore every Nth character. N is equal to the step you specify.

What is Rsplit in Python?

Python String rsplit() Method The rsplit() method splits a string into a list, starting from the right. If no “max” is specified, this method will return the same as the split() method. Note: When maxsplit is specified, the list will contain the specified number of elements plus one.

How do you find the index of last occurrence?

Follow the below steps to write the code.

1. Initialize the list.
2. Reverse the list using reverse method.
3. Find the index of the element using index method.
4. The actual index of the element is len(list) – index – 1.
5. Print the final index.

How do I find the last index of a list?

The last index will be the length of the list minus one.

What does substring mean in python?

slicing of string
In python substring is a sequence of characters within another string, In python, it is also referred to as the slicing of string.

What is the difference between Rsplit and split?

The rsplit() method is same as split method that splits a string from the specified separator and returns a list object with string elements. The default separator is any whitespace character such as space, \t , \n , etc. The only difference between the split() and rsplit() is when the maxsplit parameter is specified.