Exploring Python Fundamentals

What is the correct way to declare a variable in Python?

• let x = 10

• x = 10

• var x : int = 10

• x := 10

Which operator is used for addition in Python?

• +

• -

• /

• *

What are the main data types available in Python?

• char, array, complex

• float, string, number

• list, set, array

• int, float, str, list, tuple, dict, set, bool

How do you convert an integer to a float in Python?

• Apply str(integer) to change an integer to a string.

• Use float(integer) to convert an integer to a float.

• Use int(float) to convert a float to an integer.

• Use round(integer) to convert an integer to a float.

What is the purpose of indentation in Python?

• To add comments in the code.

• To define variable types.

• To increase the speed of the program.

• To define code blocks and control flow.

What is the scope of a variable defined inside a function?

• Block scope

• Static scope

• Local scope

• Global scope

How do you declare a variable with a numeric value in Python?

• x = 5

• var x = 5;

• x : 5

• let x = 5;

Which operator is used for exponentiation in Python?

• **

• ^

• %%

• //

What is the difference between int and float data types?

• int is used for text data; float is used for numeric data.

• int is a type of float; float is a type of int.

• int can store decimal values; float cannot.

• int is for whole numbers; float is for numbers with decimals.

How do you check the type of a variable in Python?

• Use the 'instanceof' operator.

• Use the 'type()' function.

• Use the 'var_type()' function.

• Use the 'checktype()' function.