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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def getFileAuthor(self, fileInfo):
 		"""Function to get the file's author for file info, note that we are pretending that multiple authors do not exist here"""

		author = fileInfo[fileInfo.find("Author"):]
		author = author[author.find("<FONT ") + 47:]
		author = author[author.find('<B>') + 3:]
		authormail = author[author.find("mailto:") + 7:]
		authormail = authormail[:authormail.find('"')]
		author = author[:author.find("</B></A>") - 0]
		author = author + " (" + authormail + ")"
		return author