AI Algorithms, AI Model Zoo, Save Development Time, Electronic Copy and License, Permanent Authorization, One Year Download, One Year Technical Support








Provide organized and useful artificial intelligence algorithms, which can be applied to product defect detection, medical image analysis, artificial intelligence teaching, crime detection and prevention, access control and attendance, smart long-term photography, public safety, etc. Help to save development time.



Turn the artificial intelligence algorithms into a web user interface that everyone can use. You can perform deep learning and analyze data without programing, and help to solve the industry's lack of AI talents.



Provide the source code and reference source. You can customize AI products for mass production by yourself. Free of royalties.



Built-in Python, CUDA, cuDNN, TensorFlow, Keras, PyTorch and other software packages and sample codes. Help to save the trouble of installing packages and finding sample codes.




[ Architecture ]



LEADERG-AI-ZOO-AI Software-Architecture-20200505.png






[ Features ]


    • Software with Python, PyTorch, TensorFlow, Keras, OpenVINO, OpenCV, etc.


    • Support deep learning


    • Support AI algorithms


    • Support image processing


    • Support many image analysis methods


    • Support template comparison


    • Support object analysis


    • Support barcode recognition


    • Support QR code


    • Support multi-core and multi-processor computers


    • Support GPU acceleration


    • Support custom libraries


    • Support TensorFlow 2.3


    • Support PyTorch 1.6


    • Support CUDA 10.1


    • Support cuDNN 7.6.5


    • No need to upload data to public cloud




[ Supported Operating Systems ]


Please choose one of these two operating systems. If you need to support two operating systems, please buy two licenses.


    •  Windows 10 64 bit


    •  Ubuntu Linux 18.04 64 bit




[ Hardware Requirements ]


    • Intel x64 CPU with AVX2 instruction set


    • 16 GB RAM or higher


    • 100 GB of free space on a disk


    • Screen resolution is 1280 x 720 or higher


    • Mouse or other pointing device


    • NVIDIA GPU with CUDA support. (GPU memory 16 GB or higher is required)


    • Intel Movidius Myriad X. (Option for Acceleration)





[ Software Advantages ]



    • Update for the latest algorithms every month


    • Easy to get started. Development integration is fast


    • Applications: semiconductor industry, panel industry, petrochemical industry, PCB industry, school lessons, etc.


    • Won the champion in the International AI Competition. The prize is 100K USD.


    • Support Python, PyTorch, TensorFlow, Keras. With CPU and GPU support.


    • With verified deep learning solutions: SSD, VGG, ResNet, YOLOv3, MaskRCNN, data analysis, stock forecast, etc.





[ Edition Description ]



LEADERG AI ZOO - One Site License:


For one computer.



LEADERG AI ZOO - Enterprise License for One Department:


For one department of one company.



LEADERG AI ZOO - Education License for One Department:


For one department of one school.






[ Software Comparison ]



  LEADERG AI ZOO Halcon Cognex eVision
Overall Performance High Normal Normal Normal

Overall Cost

Low High High Normal
AI Image Algorithm More Less Less Less
Traditional Image Algorithm Yes Yes Yes Yes
Bar code recognition Yes Yes Yes Yes
Sound Algorithm Yes No No No
Source Code Yes No No No
Mass Production Royalties Free High High High




[ Special Thanks to Our Customers ]


Taiwan University, Chiao Tung University, Cheng Kung University, Chung Hsing University, Ilan University, Chin-Yi University of Technology, Chi Nan University, United University,  Defense University, R.O.C. Naval Academy, Chang Gung University, Formosa University, Pingtung University of Science and Technology, Kaohsiung University of Science and Technology, Feng Chia University, Chaoyang University of Technology, I-Shou University, Shih Chien University, Institute for Information Industry, Industrial Technology Research Institute , Ministry of Justice Investigation Bureau, Atomic Energy Council, Council of Agriculture, Metal Industries Research & Development Centre, Taiwan Instrument Research Institute, WORLD PEACE INDUSTRIAL CO.,  LTD., AU Optronics Corp., HARRY & KING CORP., Taichung Veterans General Hospital, Formosa Technologies Corp., Nan Ya Plastics Corp.,  Formosa Chemicals & Fibre Corp., United Microelectronics Corp., HannStar Display Corp., LOGITECH FAR EAST LTD, Stark Technology Inc., BoardTek Electronics Corp,  GeOceanTech Co.,  Ltd., UniChamp Computer CO., LTD, Allion Labs,  Inc.,  Grade Upon Technology Corp., ALL-RICH DIGITAL ENTERPRISE CO.,  LTD ,  Sound Land Corp., HORNG TERNG AUTOMATION CO.,  LTD., MITAC INTERNATIONAL CORP , HYWARE INTERNATIONAL CO.,  LTD., AAEON Technology Inc., Arima Lasers Corp., Lextar Electronics Corp., BESEYE CLOUD SECURITY CO.,  LTD., Dynapack International Technology Corp., Neo-Cowin development Co.,  Ltd., MIRLE AUTOMATION CORP., Elan Microelectronics Corp.,  Imperium Co. Ltd., etc.




[ Technical Support ]


Training for one hour by using video conference.


Software download and technical support peroid is one year.


Provide e-mail technical support services for software operation or sample code problems.


If it is a software customization problem, please purchase our customized paid training.





[ Software License ]


This software is with complete sample code. It's convinient to do research and prepare papers. You can also customize AI products for mass production without royalties.


This software is "not open source". Please use it privately, not publishing sample code to the Internet.







[ Software Download ]



We provide new software and algorithm downloads on the 1st of each month. If you are our customer, please send activation code to us by using email for download link.


Email: leaderg@leaderg.com





[ AI Algorithms ]



Algorithm Jupyter-Chatterbot
Description Chatbot


Algorithm Jupyter-COM
Description Serial port


Algorithm Jupyter-CURL
Description Using the CURL library to fetching web pages 


Algorithm Jupyter-Data-Conv1D-Keras
Description Data analysis using a 1D convolutional neural network


Algorithm Jupyter-Data-Dense-Sin-PyTorch
Description Using Densenet to learn Sine wave and inference


Algorithm Jupyter-Data-Dense-Stock-PyTorch
Description Using XGBoost to predict stocks


Algorithm Jupyter-Data-Dense-Fraud-Detection
Description Using XGBoost to fraud detection


Algorithm Jupyter-Data-Genetic-Algorithm-Flow-Shop
Description Genetic Algorithm Factory Scheduling


Algorithm Jupyter-Data-Genetic-Algorithm-Job-Shop
Description Genetic Algorithm Factory Scheduling


Algorithm Jupyter-Data-Genetic-Algorithm-Job-Shop-NSGA-II
Description Genetic Algorithm Factory Scheduling


Algorithm Jupyter-Data-Gradient-Boosting-Classification
Description Using Gradient-Boosting to predict Titanic survivors


Algorithm Jupyter-Data-Gradient-Boosting-Regression
Description Using Gradient-Boosting to predict Boston house prices


Algorithm Jupyter-Data-JSON
Description Using Python to read in json, print out json, and write to output.json


Algorithm Jupyter-Data-LightGBM-Classification
Description Using LightGBM to predict Titanic survivors


Algorithm Jupyter-Data-LightGBM-Regression
Description Using LightGBM to predict Boston house prices


Algorithm Jupyter-Data-LSTM-PyTorch
Description Using PyTorch LSTM to predict stock prices


Algorithm Jupyter-Data-Matplot-Stock
Description Python, plotting data


Algorithm Jupyter-Data-Read-Sin
Description Python read Sine wave value and draw into table


Algorithm Jupyter-Data-Read-Write-CSV
Description Python, read and store CSV data


Algorithm Jupyter-Data-Read-Write-Excel
Description Python, read and store Excel data


Algorithm Jupyter-Data-Regression-Forest
Description Forecasting Boston house prices with Regression-Forest


Algorithm Jupyter-Data-Regression-Forest-Sin
Description Forecasting Sinusoid with Regression-Forest


Algorithm Jupyter-Data-Regression-Forest-Stock
Description Forecasting Stock with Regression-Forest


Algorithm Jupyter-Data-SVM
Description Use SVM for data clustering


Algorithm Jupyter-Data-Taiwan-Mask
Description Check the information on the stock of masks of the Taiwan pharmacy


Algorithm Jupyter-Data-XGBoost-Classification
Description Using XGBoost to predict Titanic survivors


Algorithm Jupyter-Data-XGBoost-GPU-Test
Description XGBoost GPU Test


Algorithm Jupyter-Data-XGBoost-Regression
Description Using XGBoost to predict Boston house prices


Algorithm Jupyter-Data-XGBoost-Regression-Stock-Taiwan
Description Using XGBoost to predict stock prices


Algorithm Jupyter-Data-XGBoost-Regression-Time-Series
Description Using XGBoost Regression Time Series to predict stock prices


Algorithm Jupyter-File-Download
Description Download file and display progress bar


Algorithm Jupyter-for
Description Python for Loop Example


Algorithm Jupyter-Function-Call
Description Python call function example


Algorithm Jupyter-Hello-World
Description Python print example


Algorithm Jupyter-Http-Server-AIOHTTP
Description Python AIOHTTP Web Server


Algorithm Jupyter-Http-Server-Flask
Description Python Flask, a lightweight web application framework


Algorithm Jupyter-if
Description Python If example


Algorithm Jupyter-Image-Augmentation
Description Image augmentation


Algorithm Jupyter-Image-Barcode
Description Read 1D and 2D barcodes


Algorithm Jupyter-Image-Barcode-Generator
Description Generate 1D barcodes


Algorithm Jupyter-Image-Batch-Resize
Description Image batch resize


Algorithm Jupyter-Image-Classification-AlexNet-PyTorch
Description Using PyTorch AlexNet for defect classification


Algorithm Jupyter-Image-Classification-Attention-PyTorch
Description Using PyTorch Attention for defect classification


Algorithm Jupyter-Image-Classification-CSPResNeXt-50-CPP
Description Using PyTorch CSPResNeXt for defect classification


Algorithm Jupyter-Image-Classification-DenseNet-OCR-Keras
Description Recognize characters with DenseNet


Algorithm Jupyter-Image-Classification-DenseNet121-PyTorch
Description Using PyTorch DenseNet121 for defect classification


Algorithm Jupyter-Image-Classification-EfficientNet-PyTorch
Description Using PyTorch EfficientNet for defect classification


Algorithm Jupyter-Image-Classification-GoogleNet-PyTorch
Description Using PyTorch GoogleNet for defect classification


Algorithm Jupyter-Image-Classification-InceptionV2-PyTorch
Description Using PyTorch InceptionV2 for defect classification


Algorithm Jupyter-Image-Classification-InceptionV3-CAM-PyTorch
Description Use InceptionV3 and Class Activation Mapping visualization to classify images under PyTorch.


Algorithm Jupyter-Image-Classification-InceptionV3-PyTorch
Description Using PyTorch InceptionV3 for defect classification


Algorithm Jupyter-Image-Classification-InceptionV4-PyTorch
Description Using PyTorch InceptionV4 for defect classification


Algorithm Jupyter-Image-Classification-Inception_ResNet_v1-PyTorch
Description Using PyTorch Inception_ResNet_v1 for defect classification


Algorithm Jupyter-Image-Classification-Inception_ResNet_v2-PyTorch
Description Using PyTorch Inception_ResNet_v2 for defect classification


Algorithm Jupyter-Image-Classification-MNASNet-PyTorch
Description Using PyTorch MNASNet for defect classification


Algorithm Jupyter-Image-Classification-MobileNetV1-PyTorch
Description Using PyTorch MobileNetV1 for defect classification


Algorithm Jupyter-Image-Classification-MobileNetV2-PyTorch
Description Using PyTorch MobileNetV2 for defect classification


Algorithm Jupyter-Image-Classification-MobileNetV3-PyTorch
Description Using PyTorch MobileNetV3 for defect classification


Algorithm Jupyter-Image-Classification-PreactresNet18-PyTorch
Description Using PyTorch PreactresNet18 for defect classification


Algorithm Jupyter-Image-Classification-RegNet-PyTorch
Description Using PyTorch RegNet for defect classification


Algorithm Jupyter-Image-Classification-Resnet_in_Resnet-PyTorch
Description Using PyTorch Resnet_in_Resnet for defect classification


Algorithm Jupyter-Image-Classification-ResNet50-PyTorch
Description Using PyTorch ResNet50 for defect classification


Algorithm Jupyter-Image-Classification-ResNeXt101-PyTorch
Description Using PyTorch ResNeXt101 for defect classification


Algorithm Jupyter-Image-Classification-SENet-PyTorch
Description Using PyTorch SENet for defect classification


Algorithm Jupyter-Image-Classification-ShuffleNetV1-PyTorch
Description Using PyTorch ShuffleNetV1 for defect classification


Algorithm Jupyter-Image-Classification-ShuffleNetV2-PyTorch
Description Using PyTorch ShuffleNetV2 for defect classification


Algorithm Jupyter-Image-Classification-SqueezeNet-PyTorch
Description Using PyTorch SqueezeNet for defect classification


Algorithm Jupyter-Image-Classification-VGG16-PyTorch
Description Using PyTorch VGG16 for defect classification


Algorithm Jupyter-Image-Classification-Xception-PyTorch
Description Using PyTorch Xception for defect classification


Algorithm Jupyter-Image-FaceNet
Description FaceNet face recognition


Algorithm Jupyter-Image-Fingerprint-Recognition
Description Image fingerprint recognition


Algorithm Jupyter-Image-Ganomaly
Description Use GANomaly for defect detection


Algorithm Jupyter-Image-Gauge-Reader
Description Gauge scale detection


Algorithm Jupyter-Image-Human-Pose-PyTorch
Description Detect human posture


Algorithm Jupyter-Image-LPRNet-PyTorch
Description Use LPRNet to identify license plates


Algorithm Jupyter-Image-Object-Detection-CSPResNeXt50-PANet-SPP-CPP
Description PyTorch CSPResNeXt50 PANet for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-DETR-PyTorch
Description PyTorch DETR for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-EfficientDet-Keras
Description Keras EfficientDet for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-FasterRCNN-Keras
Description Keras FasterRCNN for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-MobileNetV1-SSD300-PyTorch
Description PyTorch MobileNetV1-SSD300 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-MobileNetV1-SSD512-PyTorch
Description PyTorch MobileNetV1-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-MobileNetV2-SSD300-PyTorch
Description PyTorch MobileNetV2-SSD300 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-MobileNetV2-SSD512-PyTorch
Description PyTorch MobileNetV2-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-MobileNetV3-SSD300-PyTorch
Description PyTorch MobileNetV3-SSD300 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-MobileNetV3-SSD512-PyTorch
Description PyTorch MobileNetV3-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-ResNet152-SSD512-PyTorch
Description PyTorch ResNet152-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-ResNet50-SSD300-PyTorch
Description PyTorch ResNet50-SSD300 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-ResNet50-SSD512-PyTorch
Description PyTorch ResNet50-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-VGG16-SSD512-PyTorch
Description PyTorch VGG16-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-VGG19-SSD512-PyTorch
Description PyTorch VGG19-SSD512 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-YOLOv4-CPP
Description YOLOv4 for detecting surface defects


Algorithm Jupyter-Image-Object-Detection-YOLOv4-Multiple-Object-Tracking-CPP
Description Use YOLOv4 for multi-object tracking


Algorithm Jupyter-Image-Object-Detection-YOLOv4-Tiny-CPP
Description YOLOv4 Tiny for detecting surface defects


Algorithm Jupyter-Image-OCR
Description Python. Character recognition with Tesseract-OCR


Algorithm Jupyter-Image-ONNX
Description Use ONNX model for image classification, image detection, image segmentation


Algorithm Jupyter-Image-OpenCV-Adaptive-Threshold
Description Python. OpenCV adaptive threshold


Algorithm Jupyter-Image-OpenCV-Add
Description Python. OpenCV image add


Algorithm Jupyter-Image-OpenCV-Bilateral-Filter
Description Python. OpenCV bilateral filter


Algorithm Jupyter-Image-OpenCV-Binarize
Description Python. OpenCV image binarization


Algorithm Jupyter-Image-OpenCV-Black-Hat
Description Python OpenCV for morphology Black Hat


Algorithm Jupyter-Image-OpenCV-Blob
Description Python OpenCV Blob. binary image geometry extraction and separation


Algorithm Jupyter-Image-OpenCV-Blur
Description Python. OpenCV image blur


Algorithm Jupyter-Image-OpenCV-Brightness
Description Python. OpenCV image brightness


Algorithm Jupyter-Image-OpenCV-Canny
Description Python. OpenCV Canny edge detection


Algorithm Jupyter-Image-OpenCV-Capture-Image
Description Python OpenCV. Continuously capture images from webcam and display on screen


Algorithm Jupyter-Image-OpenCV-Connected-Components
Description Python OpenCV image connected component labeling method


Algorithm Jupyter-Image-OpenCV-Copy
Description Python. OpenCV image copy


Algorithm Jupyter-Image-OpenCV-Create-And-Fill
Description Python. OpenCV create and fill


Algorithm Jupyter-Image-OpenCV-Crop
Description Python. OpenCV image crop


Algorithm Jupyter-Image-OpenCV-DCT
Description Python. OpenCV image DCT frequency domain


Algorithm Jupyter-Image-OpenCV-DeBlur
Description Python. OpenCV image deblurring


Algorithm Jupyter-Image-OpenCV-DFT
Description Python. OpenCV image DFT frequency domain


Algorithm Jupyter-Image-OpenCV-Dilation
Description OpenCV image dilation example


Algorithm Jupyter-Image-OpenCV-Erosion
Description OpenCV image erosion example


Algorithm Jupyter-Image-OpenCV-Filter2D
Description OpenCV filter2D example


Algorithm Jupyter-Image-OpenCV-Find-Contours
Description OpenCV image find contours


Algorithm Jupyter-Image-OpenCV-Gaussian-Blur
Description OpenCV image Gaussian blur example


Algorithm Jupyter-Image-OpenCV-GetWH
Description OpenCV example of getting image width and height


Algorithm Jupyter-Image-OpenCV-Gray
Description Python OpenCV. Read the color image file of input.png and convert it to grayscale and display it on the screen


Algorithm Jupyter-Image-OpenCV-Histogram-Calculation
Description OpenCV histogram calculation example


Algorithm Jupyter-Image-OpenCV-Histogram-Comparison
Description OpenCV histogram comparison example


Algorithm Jupyter-Image-OpenCV-Histogram-Equalization
Description OpenCV histogram equalization example


Algorithm Jupyter-Image-OpenCV-Hough-Circle-Transform
Description OpenCV image Hough circle transform


Algorithm Jupyter-Image-OpenCV-Hough-Transform
Description OpenCV image Hough line transform


Algorithm Jupyter-Image-OpenCV-InRange
Description OpenCV inRange example


Algorithm Jupyter-Image-OpenCV-Laplace
Description OpenCV Laplace example


Algorithm Jupyter-Image-OpenCV-Median-Blur
Description OpenCV image blur example


Algorithm Jupyter-Image-OpenCV-Merge
Description OpenCV image merge example


Algorithm Jupyter-Image-OpenCV-Morphological-Gradient
Description OpenCV image gradient example


Algorithm Jupyter-Image-OpenCV-Opening-And-Closing
Description OpenCV morphology examples of open and close


Algorithm Jupyter-Image-OpenCV-Read-Write-Image-File
Description Python OpenCV. Reads input.png and saves it as output.jpg


Algorithm Jupyter-Image-OpenCV-ReMap
Description OpenCV image remap example


Algorithm Jupyter-Image-OpenCV-Resize
Description OpenCV image resize example


Algorithm Jupyter-Image-OpenCV-Rotate
Description OpenCV image rotation example


Algorithm Jupyter-Image-OpenCV-Sharpness
Description OpenCV image sharpness example


Algorithm Jupyter-Image-OpenCV-Shift
Description OpenCV image shift example


Algorithm Jupyter-Image-OpenCV-Sobel
Description OpenCV Sobel algorithm example


Algorithm Jupyter-Image-OpenCV-Split
Description OpenCV split example


Algorithm Jupyter-Image-OpenCV-Top-Hat
Description OpenCV top hat calculation example


Algorithm Jupyter-Image-QRcode-Generator
Description Generate QR code barcode


Algorithm Jupyter-Image-Screen-Capture
Description Python. After capturing the desktop screen, save it to output.png


Algorithm Jupyter-Image-Segmentation-MaskRCNN-Keras
Description Image instance segmentation with  MaskRCNN


Algorithm Jupyter-Image-Segmentation-UNet-Keras
Description Image semantic segmentation drugs using UNet


Algorithm Jupyter-Image-Segmentation-YOLACT-PyTorch
Description Image object segmentation using YOLACT


Algorithm Jupyter-Image-Stitching
Description Image stitching using brisk feature extraction algorithm


Algorithm Jupyter-Keyboard
Description Python. Send keyboard signal


Algorithm Jupyter-Model-Keras-to-ONNX
Description Convert Keras model to ONNX model


Algorithm Jupyter-Model-ONNX-To-OpenVINO
Description Convert ONNX model to OpenVINO model


Algorithm Jupyter-Model-ONNX-To-TensorRT
Description Convert ONNX model to TensorRT model


Algorithm Jupyter-Model-PyTorch-To-ONNX
Description Convert PyTorch model to ONNX model


Algorithm Jupyter-Model-TensorFlow-To-ONNX
Description Convert TensorFlow model to ONNX model


Algorithm Jupyter-Model-View-Netron
Description Show model architecture


Algorithm Jupyter-Model-YOLOv3-CPP-to-OpenVINO
Description Convert YOLOv3 CPP model to OpenVINO model


Algorithm Jupyter-Model-YOLOv4-CPP-to-PyTorch
Description Convert YOLOv4 CPP model to PyTorch model


Algorithm Jupyter-Mouse
Description Python. Send a command to move the mouse


Algorithm Jupyter-MySQL
Description Python. MySQL connection, delete, modify, query data


Algorithm Jupyter-OpenVINO

OpenVINO example







Image_Multi_Channel_Human_Pose_Estimation Image_Multi_Channel_Object_Detection_YOLOv3












Algorithm Jupyter-PySide2
Description Python PySide2


Algorithm Jupyter-PySide2-OpenCV-Webcam
Description PySide2 interface displays webcam live images


Algorithm Jupyter-Python-DLL
Description Python. DLL example


Algorithm Jupyter-Python-For
Description Python. For example


Algorithm Jupyter-Python-Function
Description Python. Function example


Algorithm Jupyter-Python-Import
Description Python. Import example


Algorithm Jupyter-Python-Print
Description Python. Print example


Algorithm Jupyter-Python-Thread
Description Python. Thread example


Algorithm Jupyter-Python-Variable
Description Python. Variable example


Algorithm Jupyter-Python-While
Description Python. While example


Algorithm Jupyter-PyTorch-CUDA-Test
Description PyTorch CUDA Test


Algorithm Jupyter-Quote
Description Python Quote


Algorithm Jupyter-SMTP
Description Python. Simple Mail Transfer


Algorithm Jupyter-Sound-Play-Music
Description Python. Play mp3


Algorithm Jupyter-Sound-Play-Sound
Description Python. Play wav


Algorithm Jupyter-Sound-Spectrogram
Description Python. Sound spectrum


Algorithm Jupyter-Speech-To-Text
Description Python. Speech to text


Algorithm Jupyter-TensorFlow-CUDA-Test
Description Python TensorFlow CUDA Test


Algorithm Jupyter-Text-To-Speech
Description Python. Text-to-speech


Algorithm VS-OpenCV-Webcam
Description C# OpenCV Webcam example


Algorithm Web-OpenCV-CPP-Webcam
Description OpenCV reads the Webcam image and displays it on the web page


Algorithm Web-OpenCV-CPP-Python-Webcam
Description Use Python OpenCV to read Webcam images and display them on the web




[ Education Videos ]














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