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

Question

BlackTom AI · Accepted Answer

The question asks which code segment will display Hello World! when executed. 
Option 1: print("Hello", ",", "World", "!")
This prints four separate items: Hello, comma, World, and exclamation mark, each separated by spaces by default. The visible result would be: Hello , World !, which is not the exact string Hello World!. 
Option 2: print("Hello", "World", "!")
Here, three items are printed with spaces between them, yielding: Hello World !. That is not the exact Hello World! string due to the extra space before the exclamation mark. 
Option 3: print("Hello", "World!")
This uses two items: "Hello" and "World!". The print function inserts a single space between items, producing: Hello World! — which matches the desired output exactly. 
Option 4: print(Hello "," World"!")
This option is syntactically invalid in Python: it mixes bare identifiers and string literals without proper quoting, leading to a syntax error. 
In summary, the only option that yields the exact string Hello World! without extra spaces or errors is the one that prints two strings: "Hello" and "World!" in a single print call. The other options either insert extra characters, add unwanted spaces, or are invalid syntax.

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

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

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