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

What will the value of `res` be in the following code?

```python
res = {10, 'ten', 'X', 10, 25, 25, 'ten'}
print(res)
```

What will the value of <code>res</code> be in the following code?
<pre><code class="language-python">res = {10, 'ten', 'X', 10, 25, 25, 'ten'}
print(res)
</code></pre>

What will the values of `i` and `j` be at the end of the following code?

```python
purchases = {"Alice":10, "Jill":15, "Bob":2}

for i,j in purchases.items():
    print(i, j, end=' ')
```



What will the values of <code>i</code> and <code>j</code> be at the end of the following code?
<pre><code class="language-python">purchases = {&quot;Alice&quot;:10, &quot;Jill&quot;:15, &quot;Bob&quot;:2}

for i,j in purchases.items():
 print(i, j, end=' ')
</code></pre>

['Helloworld', 'how are you', 'my friend?']

['Helloworld', 'how', 'are', 'you', 'my', 'friend', '?']

['Hello', 'how', 'are', 'you', 'my', 'friend', '?']

What will the value of `new_mystr` be at the end of the following code?

```python
mystr = 'Hello,how are you,my friend?'
new_mystr = mystr.split(',')
new_mystr[0] += 'world'
print(new_mystr)
```

What will the value of <code>new_mystr</code> be at the end of the following code?
<pre><code class="language-python">mystr = 'Hello,how are you,my friend?'
new_mystr = mystr.split(',')
new_mystr[0] += 'world'
print(new_mystr)
</code></pre>

The `finally` part of `try-except-finally` will only be executed when no exception occurs. 

The <code>finally</code> part of <code>try-except-finally</code> will only be executed when no exception occurs.

What will the scope of the variables `a` and `n` be in the function `g`?

```python
a = 0
c = 0

def g(c):
 n = 0 # scope=?
 a = c # scope=?
 if n < c:
 n = a + 2
 return n

i = 1
res = g(i)
```

What will the scope of the variables <code>a</code> and <code>n</code> be in the function <code>g</code>?
<pre><code class="language-python">a = 0
c = 0

def g(c):
 n = 0 # scope=?
 a = c # scope=?
 if n &lt; c:
 n = a + 2
 return n

i = 1
res = g(i)
</code></pre>

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