Python Basics Quiz

What is the correct syntax to output "Hello, World!" in Python?

• `echo "Hello, World!"`

• `print("Hello, World!")`

• `printf("Hello, World!")`

• `cout << "Hello, World!"`

Answer explanation

The correct syntax to output 'Hello, World!' in Python is `print("Hello, World!")`. This statement will display the text within the parentheses on the screen.

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DOK Level 1: Recall

Which of the following is a valid variable name in Python?

• `1variable`

• `variable_1`

• `variable-1`

• `variable 1`

Answer explanation

In Python, variable names can contain letters, numbers, and underscores, but cannot start with a number or contain special characters like hyphens or spaces. Therefore, `variable_1` is a valid variable name.

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DOK Level 1: Recall

What is the output of the following code? ```python x = 5 y = 10 print(x + y) ```

• `5`

• `10`

• `15`

• `50`

Answer explanation

The output of the code is `15` because it adds the values of `x` (5) and `y` (10) together.

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DOK Level 1: Recall

Which of the following data types is immutable in Python?

• `list`

• `set`

• `dictionary`

• `tuple`

Answer explanation

In Python, the data type 'tuple' is immutable, meaning its values cannot be changed after creation. Lists, sets, and dictionaries are mutable data types.

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DOK Level 1: Recall

• `14`

• `11`

• `10`

• `7`

Answer explanation

The correct order of operations is to first multiply 4 by 2, then add 3. Therefore, 3 + 4 * 2 = 3 + 8 = 11.

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DOK Level 1: Recall

Which of the following is the correct way to create a function in Python?

• `function myFunction():`

• `def myFunction():`

• `create myFunction():`

• `function: myFunction()`

Answer explanation

The correct way to create a function in Python is by using the 'def' keyword followed by the function name, like 'def myFunction()'.

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DOK Level 1: Recall

What will be the output of the following code? ```python def add(a, b): return a + b print(add(2, 3)) ```

• `2`

• `3`

• `5`

• `23`

Answer explanation

The output of the code will be `5` because the `add` function returns the sum of the two input parameters, which are 2 and 3 in this case.

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DOK Level 2: Skill/Concept

Which of the following statements will correctly import the `math` module in Python?

• `import math`

• `include math`

• `using math`

• `require math`

Answer explanation

The correct statement to import the `math` module in Python is `import math`.

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DOK Level 1: Recall

What is the output of the following code? ```python x = [1, 2, 3] x.append(4) print(x) ```

• `[1, 2, 3]`

• `[1, 2, 3, 4]`

• `[4, 1, 2, 3]`

• `[1, 2, 3, 4, 4]`

Answer explanation

The output of the code is `[1, 2, 3, 4]` because the `append()` method adds the element 4 to the end of the list x.

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DOK Level 2: Skill/Concept

Which of the following is used to handle exceptions in Python?

• `try` and `catch`

• `try` and `except`

• `try` and `finally`

• `try` and `handle`

Answer explanation

In Python, exceptions are handled using the `try` and `except` blocks, not `try` and `catch`, `try` and `finally`, or `try` and `handle`.

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DOK Level 1: Recall