Code Challenges

201 - What is wrong with the code below?

Python

Debugging

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

170 - Create a program that calculates the factorial of a number and saves the function in a module. Import the module into another program and allow the user to input the number they want the factorial calculated for.

Python

Modules and Packages

86 - Write a program that takes in an integer n and outputs the sum of the numbers from 1 to N.

Python

Numbers

Functions

57 - Write a program that takes in two dictionaries of integers (integer keys and integer values) and outputs a dictionary of the elements that are in both dictionaries.

Python

Dictionaries

If Statements

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

Python

Numbers

Functions

181 - Write a program that generates a list of random sentences, saves the list to a module, and then imports the module into another program to display the sentences in reverse order.

Python

Modules and Packages

81 - Create a function that takes in a dictionary and returns the keys

Python

Dictionaries

Functions

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

120 - Write a function that takes in a list of strings and returns a tuple that contains the strings sorted in alphabetical order.

Python

Tuples

Functions

3 - Write a program that prompts the user for two floats and then performs the following operations: addition, subtraction, multiplication, division, and modulo.

Python

Data Types

Numbers

85 - Create a function that takes in a list and returns a new list of all elements squared

Python

Numbers

Functions

159 - Implement a class for a bank account, with methods for deposit, withdrawal, and checking the balance. Create subclasses for different types of accounts, such as savings and checking, with unique properties and methods.

Python

Object Oriented Programming

133 - Create a class "Person" with properties for name, age, and address. Create methods for introducing the person and for printing their information.

Python

Object Oriented Programming

69 - Write a program that prints all the elements in a list, but skips any elements that are divisible by 3.

Python

Numbers

For Loops

185 - What is wrong with the code below?

Python

Debugging

104 - Create a function that takes in a string and returns the first character

Python

Strings

Functions

224 - Write a function to test if a given number is a fibonacci number and write test cases for it.

Python

Testing

236 - Test a class that represents a car: Write a Car class that has attributes for the make, model, year, and mileage. Then, write test cases to ensure that the class works correctly, including testing the initialization of the object, methods for updating the mileage, and checking that the car details are correct.

Python

Testing

171 - Write a program that converts a given date from one format to another (e.g. MM/DD/YYYY to DD/MM/YYYY). Store the conversion functions in a module, and import the module into another program to display the converted dates.

Python

Modules and Packages

135 - Create a class "Circle" with properties for radius and colour. Create methods for calculating the circumference and area, and a method to change the color of the circle.

Python

Object Oriented Programming

115 - Create a function that takes in a list of numbers and returns True if all elements are positive and False otherwise

Python

Lists

Functions

209 - Write a function to test if a number is prime and write test cases for it.

Python

Testing

36 - Write a program that takes in two numbers and determines if the first number is greater than, less than, or equal to the second number.

Python

Numbers

If Statements

56 - Write a program that takes in a dictionary of strings (string keys and string values) and outputs the keys of the entries that have a value starting with 'A'.

Python

Dictionaries

If Statements

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