Which of the following code segments will display Hello World! when it is run?

Question

BlackTom AI · Accepted Answer

To determine which code segment will display Hello World! when run, we need to consider how Python's print function handles multiple arguments and string literals.
Option 1: print("Hello", "World!")
This passes two string literals as separate arguments to print. Python prints them separated by a space by default, resulting in Hello World! exactly. This matches the target output.
Option 2: print("Hello", ",", "World", "!")
Here, four arguments are given: "Hello", ",", "World", and "!". Python will place spaces between all arguments, producing Hello , World !, which includes an extra comma as a separate token and an exclamation mark separated by spaces, not matching Hello World!
Option 3: print("Hello", "World", "!")
This also uses three string arguments: "Hello", "World", and "!". Python will insert spaces between each, yielding Hello World !, which has a space before the exclamation point and thus does not equal Hello World!
Option 4: print(Hello "," World"!")
This is invalid syntax. It attempts to mix identifiers with string literals without proper quotes, and the punctuation is not arranged in valid Python syntax, leading to a syntax error rather than printed output.
In summary, only Option 1 constructs two string literals that, when printed with a single print call, appear exactly as Hello World!, whereas the other options introduce extra characters, formatting differences, or syntactic errors that prevent the exact desired output.

Which of the following code segments will display Hello World! when it is run?单项选择题

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