Code Challenges

220 - Write a function to test if a given list contains duplicates and write test cases for it.

Python

Testing

231 - Write a function to test if a given string is a valid phone number and write test cases for it.

Python

Testing

197 - What is wrong with the code below?

Python

Debugging

7 - Write a program that prompts the user for a string, and then splits the string into a list of words.

Python

Data Types

Strings

73 - Write a program that calculates the average length of all the strings in a list.

Python

Strings

For Loops

2 - Write a program that prompts the user for a float and then rounds it to the nearest integer.

Python

Data Types

Numbers

161 - Implement a class for a custom data structure, such as a linked list or binary tree, and demonstrate the use of encapsulation and polymorphism.

Python

Object Oriented Programming

43 - Write a program that takes a string as input, and returns True if the string is a valid email address, and False if it is not, using an if statement and string methods.

Python

Strings

If Statements

218 - Write a function to see if a given number is a perfect square and write test cases for it.

Python

Testing

173 - Write a program that generates a list of random numbers, saves the list to a module, and then imports the module into another program to display the minimum, maximum, and average of the numbers.

Python

Modules and Packages

14 - Write a program that prompts the user for their current speed and the speed limit, and then prints whether they are driving too fast or within the limit

Python

Data Types

Booleans

230 - Write a function to test if a given list of numbers are divisible by 5 and write test cases for it.

Python

Testing

59 - Write a program that takes a list of numbers as input and only keeps the even numbers in a new list using a while loop.

Python

Lists

While Loops

106 - Create a function that takes in a number and returns True if the number is even and False otherwise

Python

Numbers

Functions

136 - Create a class "Rectangle" with properties for width and height. Create methods for calculating the perimeter and area, and a method to change the width and height.

Python

Object Oriented Programming

64 - Write a program that generates 10 random numbers and counts how many are even using a while loop.

Python

Numbers

While Loops

139 - Create a class "Product" with properties for name, price, and quantity. Create methods for calculating the total cost and for printing the product information.

Python

Object Oriented Programming

152 - Create a class Library with instance variables for books and a method add_book that takes in a string argument and adds it to the list of books. Create a subclass DigitalLibrary with a method download that takes in a string argument and adds it to the list of books, but also prints a message to the console saying the book has been downloaded.

Python

Object Oriented Programming

52 - Write a program that takes in a tuple of strings and outputs the longest string in the tuple.

Python

Tuples

If Statements

28 - Create a program that prompts the user for a string and stores each character in a tuple. Then, print the number of vowels and consonants in the string.

Python

Data Types

Tuples

30 - Write a program that takes in a tuple of numbers and returns a tuple with the median and mode of the numbers.

Python

Data Types

Tuples

167 - Write a program that generates a list of random words, saves the list to a module, and then imports the module into another program to display the random words.

Python

Modules and Packages

52 - Write a program that takes in two lists of numbers and outputs a tuple containing any even numbers from both lists.

Python

Tuples

If Statements

147 - Create a class Animal with a method speak that takes in a string argument and prints the string to the console. Create subclasses Cat, Dog, and Horse and override the speak method in each subclass to print the corresponding animal's sound.

Python

Object Oriented Programming

143 - Create a class "Phone" with properties for brand, model, and storage. Create methods for printing the phone information, and a method to upgrade the storage.

Python

Object Oriented Programming

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