Here are some free online courses to learn Data Science and Machine Learning with Python from scratch:

• Introduction to Data Science in Python by University of Michigan on Coursera: This course will teach you the basics of data science using Python. You will learn about data wrangling, statistical analysis, and machine learning.
• Python for Data Science by Great Learning: This course will teach you the basics of Python programming for data science. You will learn about data structures, NumPy, Pandas, and Matplotlib.
• Machine Learning with Python by IBM on Coursera: This course will teach you the basics of machine learning using Python. You will learn about supervised learning, unsupervised learning, and reinforcement learning.
• Data Science Math Skills by Duke University on Coursera: This course will teach you the mathematical skills you need for data science. You will learn about probability, statistics, and linear algebra.
• Foundations of Data Science: K-Means Clustering in Python by University of London on Coursera: This course will teach you the basics of data science, with a focus on K-means clustering. You will learn about data wrangling, data visualization, and machine learning.

These are just a few of the many free online courses available to learn Data Science and Machine Learning with Python. With a little effort, you can learn the skills you need to start a career in this exciting field.

I hope this helps! Let me know if you have any other questions.