Python Libraries Quiz

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

• echo "Hello, World!"

• print("Hello, World!")

• printf("Hello, World!")

• cout << "Hello, World!"

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

• `1variable`

• `variable_1`

• `variable-1`

• `variable 1`

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

• `5`

• `10`

• `15`

• `50`

• `5`

• `6`

• `8`

• `9`

How do you start a comment in Python?

• `//`

• `#`

• `/*`

• `

What is the output of the following code? ```python for i in range(3): print(i) ```

• `0 1 2`

• `1 2 3`

• `0 1 2 3`

• `1 2 3 4`

Which of the following is used to define a function in Python?

• `function`

• `def`

• `func`

• `define`

What will be the output of the following code? ```python x = "Python" print(x[1]) ```

• `P`

• `y`

• `t`

• `h`

Which of the following is the correct way to import the numpy library in Python?

• `import numpy as np`

• `include numpy`

• `using numpy`

• `require numpy`

What is the purpose of the `numpy` library in Python?

• To create graphical plots

• To perform numerical operations on arrays

• To handle file I/O operations

• To manage databases

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