# Top 10 Python Libraries You Must Know In 2021

Top 10 Python Libraries for machine learning are:

- TensorFlow
- Scikit-Learn
- Numpy
- Keras
- PyTorch
- LightGBM
- Eli5
- SciPy
- Theano
- Pandas

## Introduction:

Python is perhaps the most famous and broadly utilized programming dialect and has supplanted many programming dialects in the business.

- There are a ton of reasons why Python is well known among designers and one of them is that it has an incredibly enormous assortment of libraries that clients can work with.

Here are a couple of significant reasons with regards to why Python is well known:

- Python has an enormous assortment of libraries.

- Python is an amateur's customizing language due to its straightforwardness and effectiveness.

- From creating to sending and keeping up with Python needs their designers to be more useful.

- Versatility is another justification colossal prominence of Python.

- Python's customizing punctuation is easy to learn and is of undeniable level when we contrast it with C, Java, and C++.

Consequently, a couple of lines of code make new applications.

The effortlessness of Python has drawn in numerous designers to make new libraries for AI. As a result of the tremendous assortment of libraries, Python is turning out to be enormously well known among AI specialists.

So the principal library in our Top 10 Python libraries blog is TensorFlow.

## TensorFlow

Assuming you are as of now chipping away at an AI project in Python, you may have caught wind of this mainstream open-source library known as TensorFlow.

This library was created by Google in a joint effort with Brain Team. TensorFlow is a piece of pretty much every Google application for AI.

TensorFlow works like a computational library for composing new calculations that include countless tensor tasks, since neural organizations can be handily communicated as computational diagrams they can be carried out utilizing TensorFlow as a progression of procedure on Tensors. Also, tensors are N-dimensional lattices that address your information.

Highlights of TensorFlow

TensorFlow is streamlined for speed, it utilizes procedures like XLA for fast direct polynomial math tasks.

### 1. Responsive Construct

With TensorFlow, we can easily visualize each and every part of the graph which is not an option while using Numpy or SciKit.

### 2. Flexible

One of the very important Tensorflow Features is that it is flexible in its operability, meaning it has modularity and the parts of it which you want to make standalone, it offers you that option.

### 3. Easily Trainable

It is easily trainable on CPU as well as GPU for distributed computing.

### 4. Parallel Neural Network Training

TensorFlow offers pipelining in the sense that you can train multiple neural networks multiple GPUs which makes the models very efficient on large-scale systems.

### 5. Large Community

Needless to say, if it has been developed by Google, there already is a large team of software engineers who work on stability improvements continuously.

### 6. Open Source

The best thing about this machine learning library is that it is open source so anyone can use it as long as they have internet connectivity.

## Uses of TensorFlow?

You are utilizing TensorFlow day by day yet in a roundabout way with applications like Google Voice Search or Google Photos. These are the uses of TensorFlow.

Every one of the libraries made in TensorFlow is written in C and C++. Notwithstanding, it has a muddled front-end for Python. Your Python code will get assembled and afterward executed on TensorFlow circulated execution motor constructed utilizing C and C++.

The quantity of uses of TensorFlow is in a real sense limitless and that is the excellence of TensorFlow.

Along these lines, next up on this 'Main 10 Python Libraries' blog, we have Scikit-Learn!

## Scikit-Learn

## What Is Scikit-learn?

It is a Python library is associated with NumPy and SciPy. It is considered one of the best libraries for working with complex data.

There are a lot of changes being made in this library. One modification is the cross-validation feature, providing the ability to use more than one metric. Lots of training methods like logistics regression and nearest neighbors have received some little improvements.

### Features Of Scikit-Learn

### 1. Cross-validation:

There are various methods to check the accuracy of supervised models on unseen data.

### 2. Unsupervised learning algorithms:

Again there is a large spread of algorithms in the offering – starting from clustering, factor analysis, principal component analysis to unsupervised neural networks.

### 3. Feature extraction:

Useful for extracting features from images and text (e.g. Bag of words)

## Where are we using Scikit-Learn?

It contains various calculations for executing standard AI and information mining assignments like lessening dimensionality, characterization, relapse, bunching, and model choice.

Thus, next up on this 'Best 10 Python Libraries' blog, we have Numpy!

## Numpy

## What Is Numpy?

Numpy is considered one of the most popular machine learning libraries in Python.

TensorFlow and other libraries use Numpy internally for performing multiple operations on Tensors. Array interface is the best and the most important feature of Numpy.

## Features Of Numpy

1.Interactive: Numpy is very interactive and easy to use. 2.Mathematics: Makes complex mathematical implementations very simple. 3.Intuitive: Makes coding real easy and grasping the concepts is easy. 4.Lot of Interaction: Widely used, hence a lot of open source contribution.

## Uses of Numpy?

This interface can be utilized for expressing images, sound waves, and other binary raw streams as an array of real numbers is N-dimensional.

For implementing this library for machine learning having knowledge of Numpy is important for full-stack developers.

So next up on this ‘Top 10 Python Libraries’ blog, we have Keras!

# Keras

## What Is Keras?

Keras is considered one of the coolest AI libraries in Python. It gives a simpler instrument to communicate neural organizations. Keras additionally gives probably the best utilities for arranging models, preparing informational collections, perception of charts, and considerably more.

In the backend, Keras utilizes either Theano or TensorFlow inside. Probably the most mainstream neural organizations like CNTK can likewise be utilized. Keras is nearly sluggish when we contrast it and other AI libraries. Since it makes a computational chart by utilizing a back-end foundation and afterward utilizes it to perform tasks. Every one of the models in Keras is convenient.

## Features Of Keras

It runs smoothly on both CPU and GPU. Keras supports almost all the models of a neural network – fully connected, convolutional, pooling, recurrent, embedding, etc. Furthermore, these models can be combined to build more complex models. Keras, being modular in nature, is incredibly expressive, flexible, and apt for innovative research. Keras is a completely Python-based framework, which makes it easy to debug and explore.

## Where are we using Keras?

Keras is considered one of the coolest AI libraries in Python. It gives a simpler instrument to communicate neural organizations. Keras additionally gives probably the best utilities for arranging models, preparing informational collections, perception of charts, and considerably more.

In the backend, Keras utilizes either Theano or TensorFlow inside. Probably the most mainstream neural organizations like CNTK can likewise be utilized. Keras is nearly sluggish when we contrast it and other AI libraries. Since it makes a computational chart by utilizing a back-end foundation and afterward utilizes it to perform tasks. Every one of the models in Keras is convenient.

# PyTorch

## What Is PyTorch?

PyTorch is the largest machine learning library that allows developers to perform tensor computations wan with the acceleration of GPU, creates dynamic computational graphs, and calculate gradients automatically. Other than this, PyTorch offers rich APIs for solving application issues related to neural networks.

This machine learning library is based on Torch, which is an open-source machine library implemented in C with a wrapper in Lua.

This machine library in Python was introduced in 2017, and since its inception, the library is gaining popularity and attracting an increasing number of machine learning developers.

## Features Of PyTorch

## Hybrid Front-End

A new hybrid front-end provides ease-of-use and flexibility in eager mode, while seamlessly transitioning to graph mode for speed, optimization, and functionality in C++ runtime environments.

## Distributed Training

Optimize performance in both research and production by taking advantage of native support for asynchronous execution of collective operations and peer-to-peer communication that is accessible from Python and C++.

## Python First

PyTorch is not a Python binding into a monolithic C++ framework. It’s built to be deeply integrated into Python so it can be used with popular libraries and packages such as Cython and Numba.

## Libraries And Tools

An active community of researchers and developers have built a rich ecosystem of tools and libraries for extending PyTorch and supporting development in areas from computer vision to reinforcement learning.

## Applications of PyTorch?

PyTorch is primarily used for applications such as natural language processing.

It is primarily developed by Facebook’s artificial-intelligence research group and Uber’s “Pyro” software for probabilistic programming is built on it.

PyTorch is outperforming TensorFlow in multiple ways and it is gaining a lot of attention in recent days.

You can check out this PyTorch or TensorFlow blog to find out which is better for you.

# LightGBM

### What Is LightGBM?

Gradient Boosting is one of the best and most popular machine learning libraries, which helps developers in building new algorithms by using redefined elementary models and namely decision trees. Therefore, there are special libraries that are available for the fast and efficient implementation of this method.

These libraries are LightGBM, XGBoost, and boost. All these libraries are competitors that help in solving a common problem and can be utilized in almost a similar manner.

Features of LightGBM Very fast computation ensures high production efficiency.

Intuitive, hence makes it user-friendly.

Faster training than many other deep learning libraries.

Will not produce errors when you consider NaN values and other canonical values.

What are the applications of LightGBM? This library provides provide highly scalable, optimized, and fast implementations of gradient boosting, which makes it popular among machine learning developers. Because most of the machine learning full-stack developers won machine learning competitions by using these algorithms.

So, next up on this ‘Top 10 Python Libraries’ blog, we have Eli5!

# Eli5

### What Is Eli5?

Most often the results of machine learning model predictions are not accurate, and the Eli5 machine learning library built-in Python helps in overcoming this challenge. It is a combination of visualization and debug all the machine learning models and track all working steps of an algorithm.

### Features of Eli5

Moreover, Eli5 supports other libraries XGBoost, lightning, sci-kit-learn, and sklearn-crfsuite libraries.

### What are the applications of Eli5?

Mathematical applications require a lot of computation in a short time.

Eli5 plays a vital role where there are dependencies with other Python packages.

Legacy applications and implementing newer methodologies in various fields.

So, next up on this ‘Top 10 Python Libraries’ blog, we have SciPy!

# SciPy

### What Is SciPy?

SciPy is a machine learning library for application developers and engineers. However, you still need to know the difference between the SciPy library and the SciPy stack. SciPy library contains modules for optimization, linear algebra, integration, and statistics.

### Features Of SciPy

The main feature of the SciPy library is that it is developed using NumPy, and its array makes the most use of NumPy.

In addition, SciPy provides all the efficient numerical routines like optimization, numerical integration, and many others using its specific submodules.

All the functions in all submodules of SciPy are well documented.

Applications of SciPy? SciPy is a library that uses NumPy for the purpose of solving mathematical functions. SciPy uses NumPy arrays as the basic data structure and comes with modules for various commonly used tasks in scientific programming.

Tasks including linear algebra, integration (calculus), ordinary differential equation solving and signal processing execute easily by SciPy.

So, next up on this ‘Top 10 Python Libraries’ blog, we have Theano!

# Theano

### What Is Theano?

Theano is a computational framework machine learning library in Python for computing multidimensional arrays. Theano works similar to TensorFlow, but it not as efficient as TensorFlow. Because of its inability to fit into production environments.

Moreover, Theano can also be used on a distributed or parallel environments just similar to TensorFlow.

### Features Of Theano

Tight integration with NumPy – Ability to use completely NumPy arrays in Theano-compiled functions. Transparent use of a GPU – Perform data-intensive computations much faster than on a CPU. Efficient symbolic differentiation – Theano does your derivatives for functions with one or many inputs. Speed and stability optimizations – Get the right answer for log(1+x) even when x is very tiny. This is just one of the examples to show the stability of Theano. Dynamic C code generation – Evaluate expressions faster than ever before, thereby, increasing efficiency by a lot. Extensive unit-testing and self-verification – Detect and diagnose multiple types of errors and ambiguities in the model. Where are we using Theano? The actual syntax of Theano expressions is symbolic, which can be off-putting to beginners used to normal software development. Specifically, expressions are defined in the abstract sense, compiled, and later actually used to make calculations.

It specifically handles the types of computation for large neural network algorithms in Deep Learning. It was one of the first libraries of its kind (development started in 2007) and is an industry-standard for Deep Learning research and development.

Theano is the strength of multiple neural network projects today and the popularity of Theano is only growing with time.

And, lastly, on this ‘Top 10 Python Libraries’ blog, we have Pandas!

# Pandas

## What Is Pandas?

Pandas is a machine learning library in Python that provides data structures of high-level and a wide variety of tools for analysis. One of the great features of this library is the ability to translate complex operations with data using one or two commands. Pandas have so many inbuilt methods for grouping, combining data, and filtering, as well as time-series functionality.

## Features Of Pandas

Pandas make sure that the entire process of manipulating data will be easier. Support for operations such as Re-indexing, Iteration, Sorting, Aggregations, Concatenations, and Visualizations are among the feature highlights of Pandas.

## Applications of Pandas?

Currently, there are fewer releases of the panda's library which includes hundreds of new features, bug fixes, enhancements, and changes in API. The improvements in pandas regard its ability to group and sort data, select best-suited output for the apply method, and provides support for performing custom types operations.

Data Analysis among everything else takes the highlight when it comes to the usage of Pandas. But, Pandas when used with other libraries and tools ensure high functionality and a good amount of flexibility.

## Conclusion

I hope this Top 10 Python Libraries blog helped you to kick start your learning on the libraries available in Python. After knowing about the top 10 Python libraries, I am pretty sure you want to know more about Python.