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All LessonsFree Lessons (5)

Basic Data Types

Challenge 1: Mathematical Calculations

Solution Review: Mathematical Calculations

Challenge 2: Check Parity of a Number

Solution Review : Check Parity of a Number

Challenge 3: Find Values Within a Range

Solution Review: Find Values Within a Range

Challenge 4: String Transformation

Solution Review: String Transformation

Challenge 5: Find Index of a Specific Value in a String

Solution Review: Find Index of a Specific Value in a String

Challenge 6: Lowercase to Uppercase

Solution Review: Lower To Uppercase

Quick Quiz on Basic Data Types

Lists

Lists Challenge 1: Sublist of a List Solution Review: Sublist of a List Challenge 2: Appending Value to the End of a List Solution Review: Appending Value to the End of a List Challenge 3: Averaging Values in a List Solution Review: Averaging Values in a List Challenge 4: Remove Sublist From List Solution Review: Remove Sublist From List List Comprehension Challenge 5: List of Squares Solution Review: List of Squares Challenge 6: List of Cubes Solution Review: List of Cubes Challenge 7: Lists of Even and Odd Numbers Solution Review: Lists of Even and Odd Numbers Challenge 8: Sum of Squares of Even Numbers Solution Review: Sum of Squares of Even Numbers Challenge 9: Even Squares Not Divisible By Three Solution Review: Even Squares Not Divisible By Three Quick Quiz on Lists

Modules and Functions

Modules and Functions Challenge 1: Greatest Common Divisor Solution Review: Greatest Common Divisor Challenge 2: Calculate Sine, Cosine, and Tangent of User Input Solution Review: Calculate Sine, Cosine and Tangent of User Input Challenge 3: Compute & Return Maximum Solution Review: Compute & Return Maximum Challenge 4: Check If a Number Is Divisible by Another Solution Review: Check if a Number is Divisible by Another Recursion Challenge 5: Compute nth Fibonacci Number Solution Review : Compute nth Fibonacci Number Challenge 6: Compute Sum of First 'n' Natural Numbers Solution Review: Compute Sum of First n Natural Numbers Quick Quiz on Modules and Functions

Iteration & Loops

Iteration & Loops Challenge 1: Sum Elements of a List Solution Review: Sum Elements of a List Challenge 2: Find Maximum in a List Solution Review: Find Maximum in a List Challenge 3: Reverse a List Solution Review: Reverse a List Challenge 4: Check If List Is Sorted Solution Review: Check If List Is Sorted Challenge 5: Find Duplicates in a List Solution Review: Find Duplicates in a List Challenge 6: Print Even/Odd Numbers in Descending Order Solution Review: Print Even/Odd Numbers in Descending Order Quick Quiz on Iteration & Loops

Dictionaries

Dictionaries Challenge 1: Determine Size of a Dictionary Solution Review : Determine Size of a Dictionary Challenge 2: Average of Values of Keys in a Dictionary Solution Review : Average of Values of Keys in a Dictionary Challenge 3: Return Key With Maximum Value Solution Review : Return Key With a Maximum Value Challenge 4: Increment Dictionary Values Solution Review: Increment Dictionary Values Challenge 5: Size of a Dictionary Within a Dictionary Solution Review: Size of a Dictionary Within a Dictionary Challenge 6: Average Values Within Multiple Dictionaries Solution Review: Average Values Within Multiple Dictionaries Challenge 7: Keys Matching in Multiple Dictionaries Solution Review: Keys Matching in Multiple Dictionaries Quick Quiz on Dictionaries

Classes

Classes Challenge 1: Implement a Rectangle Class Solution Review: Implement a Rectangle Class Challenge 2: Implement Getter Methods Solution Review: Implement Getter Methods Challenge 3: Implement Area and Perimeter Member Methods Solution Review: Implement Area and Perimeter Methods Challenge 4: Implement a Print Method Solution Review: Implement a Print Method Inheritance Multi-Level Inheritance Multiple Inheritance Super Method Challenge 5: Inheritance Solution Review: Inheritance Quick Quiz on Classes

Iterators

Iterators Challenge 1: Return Even Numbers From 1 to n Solution Review: Return Even Numbers From 1 to n Challenge 2: Return Numbers From n Down to 0 Solution Review: Return Numbers From n to 0 Challenge 3: Return Sequence of Fibonacci Numbers Solution Review: Return Sequence of Fibonacci Numbers

Generators

Generators Challenge 1: Yield Odd Numbers From 1 to n Solution Review: Yield Odd Numbers From 1 to n Challenge 2: Yield Numbers From n Down to 0 Solution Review: Yield Numbers from n Down to 0 Challenge 3: Yield Fibonacci Sequence From 1st to Nth Number Solution Review: Yield Fibonacci Sequence From 1st to Nth Number

Asynchronous Programming

Asynchronous Programming Components of an Asynchronous Code Execute Single and Multiple Tasks Challenge 1: Implement an Asynchronous Function Solution Review: Implement an Asynchronous Function Challenge 2: Multiple Asynchronous Calls Solution Review: Multiple Asynchronous Calls Quick Quiz on Asynchronous Programming

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Strings

Strings

Now that you have learned numbers, let's dicuss the strings.

We'll cover the following...

What are Strings?
- Initialize a String
- String Concatenation

What are Strings?

Python also has support for string datatypes. Strings are sequences of characters (like words).

There are number of operations that can be performed ...