What symbol is used to begin a comment in a Python program?

Question

BlackTom AI · Accepted Answer

To begin, let's restate the question and options to focus the evaluation: What symbol is used to begin a comment in a Python program? Options are: 1) !, 2) @, 3) $, 4) #.

Option 1: '!'. This symbol is not used to start comments in Python; it is commonly found in shell prompts or sometimes in logical negation in code, but it does not denote a Python comment.

Option 2: '@'. The at-sign is used in Python for decorators and some other special syntactic constructs, not for starting comments. It does not serve the purpose of marking a comment line.

Option 3: '$'. The dollar sign appears in various contexts (shell prompts, string contents, or as part of identifiers in some languages), but Python uses a different convention for comments, so this symbol is incorrect here.

Option 4: '#'. This is the correct symbol in Python to begin a comment; a '#' and the remainder of the line are ignored by the interpreter, which is the standard way to insert a human-readable note or disable code.

In summarizing the misconceptions: options 1, 2, and 3 each refer to symbols with other roles in Python or general programming contexts, while option 4 matches the established Python syntax for single-line comments. The correct understanding hinges on recognizing the specific comment convention used by Python, namely the hash character at the start of a comment line.

Spr25_CS003C_37772 Ch. 2 Practice Quiz

What symbol is used to begin a comment in a Python program?

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