can you learn data science from reading code code example

Example: to know for to do datascience

1- basic notion in algorithmic
2- basic notion in mathematical and statistical
3- know one or more programming languages from this list:
	-Python
    -C++
    -C#
    -Java
    -etc...
 
4- Knowing these libraries is the basis in the case of python:
 	a- Pandas
	b - Numpy
	c - Scikit Learn
	d - Matpolib
	e - Seaborn
	f -Statsmodels
	g - Keras
	h - NetworkX
	i - BeautifulSoup
	j - NLTK (Text_mining)
 
5- work, work and work to master all concepts around datascience