last index of function 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: python last index of item in list

def list_rindex(li, x):
    for i in reversed(range(len(li))):
        if li[i] == x:
            return i
    raise ValueError("{} is not in list".format(x))

Example 3: indexing python first and last

l = [1,2,3,4,5]
l[::len(l)-1]

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