Please i really need an open and simple explanation on this type conversion

Question

I didn't understand this section type conversion

Answer 1

Which section? Please be precise with your question!

Answer 2

type conversion

Answer 3

https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2492/

He's here

With " is string
For String add string, + is concantention
int() change string to int
So + is maths add

Click try it yourself
Use type( variable) to check the type