What is displayed by the following code?

Aspen_colors = ("green", "yellow", "orange", "white")
Aspen_colors.append("red")
result = Aspen_colors[4]
print(result)

Question

What is displayed by the following code?

Aspen_colors = ("green", "yellow", "orange", "white")
Aspen_colors.append("red")
result = Aspen_colors[4]
print(result)

BlackTom AI · Accepted Answer

The code snippet uses a tuple and attempts an operation that tuples do not support, so careful consideration of each option is needed before selecting.
Option 1: 'red' — This would be the expected output if the code could append 'red' to the tuple and then access index 4. However, the immediate issue is that tuples are immutable and do not have an append method. Since Aspen_colors is a tuple, calling Aspen_colors.append('red') would raise an AttributeError before any indexing takes place, so 'red' cannot be printed.
Option 2: "TypeError: can only concatenate tuple (not \"str\") to tuple" — This error would arise if the code attempted to concatenate a string to a tuple, such as using + 'red' or similar. In the given code, the problem is not string concatenation but the absence of an append method on a tuple; thus this TypeError is not the actual error produced here.
Option 3: "AttributeError: 'tuple' object has no attribute 'append'" — This is the correct diagnosis. Tuples do not have an append method because they are immutable sequences. Calling append on a tuple raises AttributeError, preventing the program from proceeding to the subsequent line that would index the sequence.
Option 4: "'white'" — If the code had reached indexing after a successful append, Aspen_colors would be ('green', 'yellow', 'orange', 'white', 'red'), and Aspen_colors[4] would yield 'red'. Since the append call itself fails, this value is never produced. The appearance of 'white' as the printed value would only occur in a scenario where the code manipulated a different structure or indexing, which is not the case here.
In summary, the root cause is the misuse of append on a tuple, leading to an AttributeError, and the subsequent indexing would be undefined due to the exception that interrupts normal execution. The other options describe outcomes that would require the code to run differently or reflect different error types that do not match the actual failure mode.

Combined CS-126 sections - (1257-4967) COMPUTER SCIENCE I (Fall 2025 M16) 002 Unit 07 - Task | Retention Quiz

What is displayed by the following code? Aspen_colors = ("green", "yellow", "orange", "white") Aspen_colors.append("red") result = Aspen_colors[4] print(result)

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