Lecture 1
Simple operations, input and output
https://u.pcloud.link/publink/show?code=XZEMIRXZWqQhqgONw9RtjLOVjbeGtFMevYxy
https://u.pcloud.link/publink/show?code=XZ8TIRXZOBuOx7uE4abYwDn4t7UfkjhgSGmV
https://u.pcloud.link/publink/show?code=XZASSRXZmHPwVJaHRPS5WcCN1QhcDJhkE7ly
https://u.pcloud.link/publink/show?code=XZWEKzXZtyXCMqxMecVOl6aIVnjb4fUvwPhV
https://u.pcloud.link/publink/show?code=XZIo8zXZK5WDH8GkTiR1pzXLfFMsMbGtRqFy
https://u.pcloud.link/publink/show?code=XZTF3HXZh0XCL7zkk9B0F3yyyBnmtQwfDJpy
https://u.pcloud.link/publink/show?code=XZYikLXZQu3DXpnqgiRQQ2ciAeOFb0WLl0Gy
https://u.pcloud.link/publink/show?code=XZmYqLXZ1oPnnpTci3btQt86GMvxgV2xLaIk
https://u.pcloud.link/publink/show?code=XZYQtLXZDOI4tLKzovbWCRfIidQXcuwoDEMX
https://u.pcloud.link/publink/show?code=XZvL24XZkrW7comXNwJJ2QgkGnFTopHAVhrX
https://u.pcloud.link/publink/show?code=XZmuW4XZRBlyq2hq2pQH5vyPGIxU9bTULSQX
https://u.pcloud.link/publink/show?code=XZ2mp8XZn0VUmBQuvmS921IDSwETg8dgLqF7