How would you find the data type of a variable x in Python?

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BlackTom AI · Accepted Answer

When asked how to find the data type of a variable x in Python, we should evaluate the given options against Python syntax and semantics.
Option 1: 'typeof x' — This resembles syntax from languages like JavaScript, not Python. In Python, there is no 'typeof' operator, so this would be invalid.
Option 2: 'typeOf(x)' — This uses camel casing more common in other languages or libraries, but Python's type-calling convention is a lowercase name 'type' that is called as a function. Therefore, 'typeOf' is not recognized in standard Python.
Option 3: 'type of: x' — This phrase reads like plain English and is not valid Python syntax. The language requires a function call, not a descriptive sentence, to obtain the type.
Option 4: 'type(x)' — This is valid Python syntax. 'type' is a built-in function, and calling it with the argument x returns its type object, which is the standard way to inspect a variable's data type in Python.
In summary, the only option that adheres to Python syntax and semantics for retrieving a variable's type is 'type(x)'. The other options either mimic syntax from other languages or present invalid Python constructs, leading to errors or misunderstandings about how type information is obtained.

ACCN-3290-02Sp25 Week 1 Quiz

How would you find the data type of a variable x in Python?

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