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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 escapePlaceholders(self,inputString):
 """ This is an internal method that escapes all the placeholders defined in MapConstants.py. """

        escaped = inputString.replace(MapConstants.placeholder,'\\'+MapConstants.placeholder)
        escaped = escaped.replace(MapConstants.placeholderFileName,'\\'+MapConstants.placeholderFileName)
        escaped = escaped.replace(MapConstants.placeholderPath,'\\'+MapConstants.placeholderPath)
        escaped = escaped.replace(MapConstants.placeholderExtension,'\\'+MapConstants.placeholderExtension)
        escaped = escaped.replace(MapConstants.placeholderCounter,'\\'+MapConstants.placeholderCounter)
        return escaped