how to add component from script in unity code example

Example 1: On add component unity

void Reset()
{
  //Your code here
}

Example 2: how to add a componet to a gameobject throgh code unity

//This uses C# and unity
//to add a ridgidbody
gameobject.addComponet<ridgidbody>();
//to add a meshCollider
gameobject.addComponet<MeshCollider>();
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