Python Basics Challenge

What are the basic data types in Python?

• int, float, str, bool

• char, list, tuple, dict

• string, number, boolean, object

• int, float, array, set

How do you declare a variable in Python?

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

• let variable_name = value

• var variable_name = value

• variable_name : value

What is the difference between a list and a tuple?

• A list is mutable; a tuple is immutable.

• A list can only contain numbers; a tuple can contain any data type.

• A list is a fixed size; a tuple can grow or shrink in size.

• A list is created using parentheses; a tuple is created using square brackets.

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

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

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

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

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

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

• To import modules in Python.

• To define a function in Python.

• To execute code conditionally based on a boolean expression.

• To create a loop in Python.

How do you create a for loop in Python?

• foreach i in range(5): print(i)

• for (i = 0; i < 5; i++) { print(i); }

• for i in range(5): print(i)

• for i in range(5) print(i)

What is the output of the expression 5 + 3 * 2?

• 11

• 10

• 8

• 16

How do you check if a variable is of a specific data type?

• Use 'checkType(variable)' in Java

• Use 'typeof(variable)' in Ruby

• Use 'isinstance(variable, type)' in Python or 'typeof variable === "type"' in JavaScript.

• Use 'variable.type()' in C++

What is a dictionary in Python?

• A dictionary in Python is a type of list.

• A dictionary in Python is a collection of key-value pairs.

• A dictionary in Python is a collection of functions.

• A dictionary in Python is a single value.

How do you handle exceptions in Python?

• Ignore exceptions and continue execution.

• Log exceptions without handling them.

• Use if-else statements to handle exceptions.

• Use try-except blocks to handle exceptions.