10 Questions
Which of the following is NOT a valid identifier in Python?
2start_with_number
What is the purpose of indentation in Python?
To define the scope of code blocks
Which of the following is a valid way to declare a variable in Python?
x = 10
What happens if you try to use a reserved word as a variable name in Python?
The code will raise a syntax error
Which of the following is a valid way to declare and assign multiple variables in Python?
All of the above
What is the result of the following code? x = 5 y = x x = 10 print(y)
5
Which of the following is a valid way to declare a constant in Python?
Python does not have a way to declare constants
What is the result of the following code? x = 'hello' y = x x += ' world' print(y)
hello
Which of the following is a valid way to declare a list in Python?
my_list = [1, 2, 3]
What is the result of the following code? x = 10 y = x x = 20 print(x, y)
20 10
Test your knowledge on Python identifiers by answering questions about their definition and rules for construction. Identify different variable names and understand the concept of identifiers in programming.
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