Exploring Python Fundamentals

What are the different types of variables in Python?

• Bytes, Complex Numbers, Ranges

• Integers, Floats, Strings, Lists, Tuples, Dictionaries, Sets

• Functions, Modules, Classes

• Booleans, Characters, Arrays

How do you declare a variable in Python?

• let variable_name = value

• variable_name : value

• var variable_name = value

• You declare a variable in Python by using the syntax: variable_name = value.

What is the result of 10 + 5 in Python?

• 10

• 15

• 5

• 20

What operator is used for exponentiation in Python?

• //

• **

• ^

• %%

Explain the purpose of the 'if' statement in Python.

• The 'if' statement allows for conditional execution of code blocks based on boolean expressions.

• The 'if' statement is used to define functions in Python.

• The 'if' statement is used to declare variables in Python.

• The 'if' statement is a loop that repeats code until a condition is met.

What is the output of the following code: print(type(5.0))?

How can you convert a string to an integer in Python?

• Use int('string') to convert a string to an integer.

• Use eval('string') to evaluate and convert a string to an integer.

• Apply float('string') to convert a string to a float.

• Use str('integer') to convert an integer to a string.

What is the difference between 'int' and 'float' data types?

• 'int' can store decimal values while 'float' cannot.

• 'int' is used for text data and 'float' for numeric data.

• Both 'int' and 'float' are used for whole numbers only.

• The difference is that 'int' is for whole numbers and 'float' is for numbers with decimals.

How do you create a list in Python?

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

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

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

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

What method would you use to add an item to a list?

• Use the 'insert()' method.

• Use the 'append()' method.

• Use the 'add()' method.

• Use the 'extend()' method.