String Indexing

machine = "Computer"

# C - 0  -8

# o - 1  -7

# m - 2  -6

# p - 3  -5

# u - 4  -4

# t - 5  -3

# e - 6  -2

# r - 7  -1

print(machine[-1])  #prints the last character of string

print(machine[0])  #prints the first character of string