Gain insights into Python by exploring basic to advanced concepts, including loops, classes, and GUIs with Tkinter. Delve into testing and become a productive Python programmer.

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In this course, you will get a comprehensive overview of Python. You will start by laying the foundation and learning the introductory topics like operators, conditional statements, functions, loops, assignment statements, and more. You will then move onto more advanced topics such as classes and inheritance, iterators, list comprehensions, and dictionaries. Along with this, you will also get to explore the concept of testing and take a look at how GUI applications can be designed using Tkinter, Python's standard GUI library. 

By the time you're done, you'll be able to hit the ground running and be equipped with the tools that will allow you to be productive in Python.

Python 3: From Beginner to Advanced

# Problem statement

You have been provided with a `Person` class with the variables `name` and `age` and a `greet` method. The `greet` method of the `Person` class is simply printing **Hello** for now.

You have also been provided a `Customer` class that inherits the `name` and `age` variables and the `greet` method from the `Person` class.

Therefore, your task is to write the `greet()` function of the `Customer` class that overrides the inherited `greet` method of the `Person` class. Instead of simply printing **Hello**, it will now print the values of the `name` and `age` variables as well as the value of the `no_of_purchases` variable, which will be the **additional information** in our `Customer` class.  

# Input

```python
class Person(object):
  def __init__(self, name, age):
    self.name = name
    self.age = age

  def greet(self):
    print("Hello")

class Customer(Person):
  pass # Replace with your code
```

# Output

> **Note:** In the following example, the `Customer` class hasn’t been fully filled. The small preview given below is just to give you an idea of what you need to do.

```python
class Customer(Person):

  def greet(self):
```

# Challenge

This problem has been designed for you to practice freely, so try to solve it on your own first. Take some time and think about the different concepts we've been explored in the course so far.

If you feel stuck, you can always check out the solution review provided in the next lesson.

Good luck!

Use what you’ve learned so far to override a method that is inherited from a parent class.

Introduction

The Absolute Bare Minimum

Better Tools

Classes

Getting Fancy

Testing

Graphical User Interfaces

Modules

Appendix

I Guess We're Doing Python Now Exam

Exercise: Overriding Inherited Method

Problem statement