Why do we split data into train test and validation sets?

Machine Learning Tutorial Python - 7: Training and Testing Data

Train Test Split with Python Machine Learning (Scikit-Learn)

Training and Testing Data Splitting in Python

Sklearn - Split Data into 3 Sets (train, validation and test) in Python

Why do you split data into testing and training data in data science? (12 of 28)

Splitting Datasets in Python With scikit-learn and train_test_split()

221 - Easy way to split data on your disk into train, test, and validation?

46 - Splitting data into training and testing sets for machine learning

Splitting data into Train and Test Set | Data Preprocessing | Machine Learning | Python | Data Magic

Train Test Split | Training and Testing data | Machine Learning

Tutorial: How to Automatically Split Your Data (in Folders) Using Python

Split Dataset into Train and Test | Python | ML

Splitting Training and Test Data for Machine Learning Using Python and Scikit Learn tutorial

5.Split data into Training and Test set in Data Science (Python) | Train Test Split function in ML

How You Should Split Your Datasets in Machine Learning

Machine Learning with Python video 8 :How to split the dataset into Test and Train

Python Machine learning - Train Test Split - Sklearn

Train, Test, & Validation Sets | How to Train Machine Learning Models (Properly!!!)

Use stratified sampling with train_test_split