Python Quiz: What is the output? x = [ 1, 2, 3 ] y = x.copy() x.append( 4 ) print( y )

@PythonPr [1,2,3] is the answer

@PythonPr [1,2,3,4] y just references x

@PythonPr [1,2,3]

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@PythonPr [1,2,3]

@PythonPr [1, 2, 3]