Mastering Python Basics

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

• x = 10

• var x = 10;

• x : 10

• let x = 10;

Which of the following is not a built-in data type in Python?

• dictionary

• list

• tuple

• array

What will be the output of the expression 3 * 'Python'?

• Python3Python

• 3PythonPython

• PythonPythonPython

• PythonPython3

How do you create a list in Python?

• You create a list in Python using square brackets, e.g., my_list = [1, 2, 3].

• You create a list in Python by using the list() function, e.g., my_list = list(1, 2, 3).

• You create a list in Python using curly braces, e.g., my_list = {1, 2, 3}.

• You create a list in Python using parentheses, e.g., my_list = (1, 2, 3).

What is the purpose of the 'if' statement in Python?

• To create a loop that iterates over a list.

• To declare a variable in Python.

• To define a function in Python.

• The purpose of the 'if' statement in Python is to execute code conditionally based on a boolean expression.

Which control structure allows you to execute a block of code multiple times?

• Function

• Condition

• Variable

• Loop

What keyword is used to define a function in Python?

• function

• method

• def

• define

How can you import a module in Python?

• Use the 'import' statement, e.g., 'import module_name'.

• Include modules with 'include module_name' statement.

• Use the 'require' statement, e.g., 'require(module_name)'.

• Import modules using 'load module_name'.

What is the difference between a list and a tuple in Python?

• Lists can contain only numbers while tuples can contain any data type.

• The main difference is that lists are mutable and tuples are immutable.

• Lists are faster than tuples in all operations.

• Tuples are created using square brackets while lists use parentheses.

How do you read a file in Python?

• Use 'readfile("filename.txt")' to read a file in Python.

• Use 'open(file)' to read a file in Python.

• Use 'with open("filename.txt", "r") as file: content = file.read()' to read a file in Python.

• Read a file by calling 'file.read()' directly without opening it.