Learn to create and develop applications in Python

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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

Which of the following cannot be used as a variable name?

Which of the following cannot be used as a variable name?

What will the values of `x`, `y`, and `z` 
be at the end of the following code?

```python
s1 = "Hello";
s2 = "World";

x = s1 + s2;
y = len(s1) + len(s2);
z = s2[1:3];
print(x, y, z)
```

What will the values of <code>x</code>, <code>y</code>, and <code>z</code>
be at the end of the following code?
<pre><code class="language-python">s1 = &quot;Hello&quot;;
s2 = &quot;World&quot;;

x = s1 + s2;
y = len(s1) + len(s2);
z = s2[1:3];
print(x, y, z)
</code></pre>

What is the value of `arr` at the end of this code?

```python
arr = [1,2,3,4,5,6]
temp = arr[0]
size = len(arr)

for i in range(size-1):
  arr[i] = arr[i + 1]

arr[size-1] = temp
print(arr)
```

What is the value of <code>arr</code> at the end of this code?
<pre><code class="language-python">arr = [1,2,3,4,5,6]
temp = arr[0]
size = len(arr)

for i in range(size-1):
 arr[i] = arr[i + 1]

arr[size-1] = temp
print(arr)
</code></pre>

The `+` operator has a higher precedence than the `-` operator. 

The <code>+</code> operator has a higher precedence than the <code>-</code> operator.

Which of the following keywords are used to create a function?

Which of the following keywords are used to create a function?

Test your understanding of the concepts explained in this chapter with this quiz! 

Introduction

The Absolute Bare Minimum

Better Tools

Classes

Getting Fancy

Testing

Graphical User Interfaces

Modules

Appendix

I Guess We're Doing Python Now Exam

Quiz