code: def eq(self, other, axis="columns", level=None):
          
          return self._binary_op("eq", other, axis=axis, level=level)
docs: Checks element-wise that this is equal to other.
  
          Args:
              other: A DataFrame or Series or scalar to compare to.
              axis: The axis to perform the eq over.
              level: The Multilevel index level to apply eq over.
  
          Returns:
              A new DataFrame filled with Booleans.