# Given a KWIC, return a string that is formatted for
# pretty printing.

def prettyPrintKWIC(kwic):
    n = len(kwic)
    keyindex = n // 2
    width = 10
    outstring = ' '.join(kwic[:keyindex]).rjust(width*keyindex)
    outstring += str(kwic[keyindex]).center(len(kwic[keyindex])+6)
    outstring += ' '.join(kwic[(keyindex+1):])
    return outstring