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Class notes Phython
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Class notes Phython Is a complete course for learning python
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Python has become immensely popular in recent years due to its simple syntax, readability, and vastlibrary system, making it a top choice for data science, machine learning, and artificial intelligence
projects. Tech giants like Google, Meta, and Bosch hire Python developers with high salaries, starting at
INR 5.1 lakhs per annum in India and up to $170,000 annually in the US. Simply Learn offers a complete
Python course covering both fundamental and advanced programming concepts, including hands-on
experience with a Spotify data analysis project and interview questions. Python is a high-level object-
oriented programming language developed by Guido Van Rossum in 1989, with a comprehensive
standard library and simple structure making it easy to learn and use. It is used for desktop and web
applications, data analysis, machine learning, and game development, with popular frameworks and
libraries like Django, Flask, TensorFlow, and NumPy. The best IDEs for Python include Jupyter Notebook,
Visual Code Editor, Sublime Text Editor, PyCharm, Python IDLE, and Spider. Leading companies using
Python include Google, Quora, Facebook, Netflix, Spotify, and Instagram. To install Python, download the
latest version from python.org and run the installer, ensuring that the “Add Python 3.9 to PATH” box is
checked. To install libraries, use pip to install NumPy, SciPy, Matplotlib, and Pandas libraries, ensuring
that NumPy is installed first.
Installation of Python Libraries
To install the SciPy library, first, we need to install the NumPy library, which is a basic requirement. We
can use the command pip install numpy to install it. Then, we can install the SciPy library with the
command pip install scipy. Similarly, we can install other libraries like pandas and matplotlib using the
commands pip install pandas and pip install matplotlib, respectively. After installation, we can check if
the libraries are installed successfully by typing the commands import numpy, import pandas, import
matplotlib, and import scipy.
Introduction to Anaconda
Anaconda is a free and open-source distribution of Python that comes with a package manager system
called Conda. It is a popular choice among data scientists, software engineers, and web developers as it
includes many pre-installed applications and tools. To download Anaconda, we need to visit the official
website, choose the individual edition, select the appropriate version, and follow the installation
process. After installation, we can access the Anaconda Navigator and Anaconda Prompt from the start
menu.
Starting with Python
To start with Python, we can create a new Jupyter Notebook by typing the command jupyter notebook in
the Anaconda Prompt. Then, we can create a new folder and a Python 3 notebook to run Python
commands. Python is a general-purpose programming language that can be used in various domains like
data analysis, machine learning, web development, web scraping, and competitive programming. To
, become a good Python developer, one needs to have problem-solving skills, strong communication skills,
an eagerness to learn, and strong technical skills.
Benefits of Being a Python Developer
Python is one of the most sought-after programming languages due to its versatility, practical libraries,
and outstanding analytical capabilities. Python enables programmers to write programs with fewer lines
of code, making it easy to learn for both beginner and intermediate programmers. Python also runs on
all operating systems for free. Becoming a Python developer can lead to various job opportunities in web
development, software engineering, data analysis, data science, automation testing, and more.
Salary of Python Developers
According to Indeed.com, the average salary for a Python developer in India is INR 8,25,593 per year,
while in the United States, it is $1,66,449 per year.
Why Learn Python?
Python is an open source software that is incredibly productive and has a wide range of applications. It
also has a vast and active community, with hundreds of built-in libraries and frameworks. Python is used
by numerous companies like Google, Facebook, Netflix, IBM and more. These companies use Python to
develop software and use them for machine learning, web development, and many more. Learning
Python can be extremely beneficial for your career.
How to Become a Python Developer
To become a Python developer, you need to start by studying the fundamentals of Python programming.
Mastering the fundamentals of Python requires studying basic syntax, having hands-on experience with
a code editor like Wim, Jupyter Notebook, Google Colab, or Atom, studying the indentation of Python
language, moving to loops and logical operators, data types and variables, operators, strings and
numbers, conditional statements and type conversions, and functions and built-in functions.
After mastering the fundamentals, you should move on to data structures and algorithms. Data
structures and algorithms serve as building blocks for any computer language. To master data structures
and algorithms, you should learn about arrays, linked lists, binary search trees, recursion, Python lists
and tuples, dictionaries, sets, slicing, stacks, queues, hashing, hash tables, graph traversing, sorting
algorithms, divide and conquer algorithms, and dynamic programming.
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