I am new using python3 and I want you to help me because when you insert the command sudo pip3 install flask-mysqldb
the following error occurs
The solution is already there, but I publish the answer in case the same thing happens to someone else.
This error is very typical on Linux systems and the solution to this is installing packages
The command to install the packages.
sudo apt-get install libmysqlclient-dev python-dev