''' Purpose: experience the thrill of string manipulation

    Requirement: *** Only change the lines that are currently ... ****
'''

# get input
s = input( 'Enter text: ' )        
print( )


###### determine n -- the length of s
n = len( s )

# display result
print( 'Input length:', n )
print( )

###### determine and print the index of last character in s
# last index is always 1 less than the length of the string
last_index = ...

print( 'Index of last input character:', last_index )
print( )

# determine and print last character of s
# use subscript operator to take out a character from a particular position
# string[index] where index is an int that's between 0 and last_index
last_character = ...

print( 'Last input character:', last_character )
print( )