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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 isSupportedContent(cls, fileContent):
 """Returns if the files are valid for this filetype"""

        magic = bytearray(fileContent)[:4]
        return magic == p('>I', 0xfeedface) or magic == p('>I', 0xfeedfacf) or magic == p('<I', 0xfeedface) or magic == p('<I', 0xfeedfacf)