get value from last index to at index point in python code example

Example 1: last index in python

# using rindex() 
test_string = "abcabcabc"
# using rindex() 
# to get last element occurrence 
res = test_string.rindex('c')  
# printing result 
print ("The index of last element occurrence: " + str(res))

OUTPUT:
  The index of last element occurrence: 8

Example 2: how to take index first and last in python in one way

[some_list[0], some_list[-1]]