'''Exercise to complete printLocations as described below.'''

def printLocations(s, target):
    '''s is a string to search through, and target is the substring to look for.
    Print each index where the target starts.
    For example:
    >>> printLocations('Here, there, everywhere!', 'ere')
    1
    8
    20
    '''


    repetitions = s.count(target)
    end_position = 0
    start_position = s.find(target)
    for i in range(repetitions):
        start_position = s.find(target, end_position)
        end_position = s.find(target[-1], start_position) + 1
        print(start_position)

def main():
    phrase = 'Here, there, everywhere!'
    print('Phrase:', phrase)
    for target in ['ere', 'er', 'e', 'eh', 'zx']:
        print('finding:', target)
        print(printLocations(phrase, target))
    print('All done!')

main()