Computer Science
Which of the following is a valid variable name ?
- Student Name
- 3Number
- \%Name\%
- Block_number
Python Data Handling
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Answer
Block_number
Reason — A valid variable name in Python can only contain letters (a-z, A-Z), digits (0-9), and underscores (_). It cannot start with a digit and must not contain special characters such as spaces, %, or symbols like $, @, etc.
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Which of the following is a valid relational operator in Python ?
- +
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Write the output of the following code:
a = 10/2 b = 10//3 print(a, b)- 5 3.3
- 5.0 3.3
- 5.0 3
- 5 4
Assertion (A): Every small unit in a Python programming statement is termed as a token.
Reasoning (R): Tokens are not interpreted but are an integral part while designing the code.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): The data type of a variable is taken according to the type of value assigned to it.
Reasoning (R): Data types do not require initialization at the time of declaration. This process is described as Dynamic Typing.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.