Instructions

  • 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
  • 2. Thoroughly review each solution before proceeding to ensure full understanding.
  • 3. Final results will be available after submission to provide insights into areas for further improvement.
  • 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
  • 5. Once submitted, responses are final, so ensure you’re confident in your answers.
  • 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.

All Problems

Question

Action

Which of the following is a correct way to declare a variable in Python?

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Which of the following is NOT a valid variable name in Python?

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

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How do you declare multiple variables in one line in Python?

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What is the output of the following code? x = 'Hello'; print(x)

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What happens if you try to access a variable that has not been defined?

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In Python, variables are assigned:

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Which of the following statements is true about variable names in Python?

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What will be the output of the following code? x = 5; y = x; print(y)

View

Which of the following is a valid variable declaration?

View

Which of the following is a correct way to declare a variable in Python?

int x = 10
x = 10
var x = 10
let x = 10

Which of the following is NOT a valid variable name in Python?

my_variable
_myvariable
1variable
myVariable

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

10
5
15
Error

How do you declare multiple variables in one line in Python?

x, y = 5, 10
int x = 5, y = 10
x = 5; y = 10
x, y := 5, 10

What is the output of the following code? x = 'Hello'; print(x)

Hello
'Hello'
x
Error

What happens if you try to access a variable that has not been defined?

Nothing
The variable is set to None
A NameError is raised
A ValueError is raised

In Python, variables are assigned:

Dynamically
Statically
Automatically with var
None of the above

Which of the following statements is true about variable names in Python?

Variable names can start with a number
Variable names can start with an underscore
Variable names cannot contain underscores
Variable names must be written in uppercase

What will be the output of the following code? x = 5; y = x; print(y)

5
0
y
Error

Which of the following is a valid variable declaration?

var = 5
5var = 10
var_1 = 'Python'
_5var = 10