'''exercise to complete and test this function'''

def joinStrings(stringList):
    '''Join all the strings in stringList into one string,
    and return the result. For example:
    >>> print joinStrings(['very', 'hot', 'day'])
    'veryhotday'
    '''
    # finish the code for this function
    


def main():
    print joinStrings(['very', 'hot', 'day'])
    print joinStrings(['this', 'is', 'it'])
    print joinStrings(['1', '2', '3', '4', '5'])

main()