Question at position 2 Which of the following lines of code has an error? Circle(200, 200, 50, fill='black', border=None)Rect(30, 30, 100, 200, fill=None)Polygon(100, 100, 100, 100, 100, 100)Line(10, 10, 100, lineWidth=101)

Question

Question at position 2 Which of the following lines of code has an error? Circle(200, 200, 50, fill='black', border=None)Rect(30, 30, 100, 200, fill=None)Polygon(100, 100, 100, 100, 100, 100)Line(10, 10, 100, lineWidth=101)

BlackTom AI · Accepted Answer

Question: Which of the following lines of code has an error?

Option A: Circle(200, 200, 50, fill='black', border=None)
- This looks like a standard constructor call for a circle, with center coordinates (200, 200), radius 50, and optional styling parameters. The arguments appear to be in a typical, accepted form, so there is no obvious syntax or parameter-name issue here. This option seems correctly formed.

Option B: Rect(30, 30, 100, 200, fill=None)
- Here, a rectangle is created with a position and size, and a fill parameter explicitly set to None. The syntax mirrors common drawing APIs where fill can be set to None to indicate no fill. Unless the API prohibits None for fill, this appears syntactically valid and semantically reasonable.

Option C: Polygon(100, 100, 100, 100, 100, 100)
- This passes six numeric values, which could correspond to three (x, y) coordinate pairs for a triangle. All three points are identical (100, 100), which would produce a degenerate polygon (a point). While the polygon would be effectively meaningless, the call itself is syntactically plausible and might still be accepted by some APIs, yielding no geometry. The key question is whether the API treats degenerate polygons as an error or simply as a no-area shape; from a syntax standpoint, this is not an obviously invalid call.

Option D: Line(10, 10, 100, lineWidth=101)
- This creates a line with a start point (10, 10) and an end x-coordinate of 100 (assuming the API signature uses (x1, y1, x2, ...) and a named parameter lineWidth). The explicit keyword argument lineWidth=101 sets a line width. If the API defines a valid range for lineWidth (for example, 1 to 100), then 101 would exceed the allowed maximum and constitute an error. This is a strong candidate for an invalid call if the API enforces a maximum line width.

In evaluating the options, the critical check is whether a parameter value or a syntactic form violates the API’s constraints. Options A and B conform to typical parameter naming and types, and Option C yields a degenerate polygon but is not necessarily a syntax error. Option D introduces a lineWidth value of 101, which commonly lies outside typical allowed ranges (e.g., 1–100). Therefore, the most plausible error among these is the lineWidth value in Option D, even though the other options could depend on the specific API's tolerance for degenerate shapes or None fills.

Question at position 2 Which of the following lines of code has an error? Circle(200, 200, 50, fill='black', border=None)Rect(30, 30, 100, 200, fill=None)Polygon(100, 100, 100, 100, 100, 100)Line(10, 10, 100, lineWidth=101)单项选择题

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