描述：这个函数可以用来

代码说明：

Description: This function can be used to 1) Personalise your photographs 2) Add signatures to your photographs The input to this function are two pictures - Input 1: your photograph Input 2: your signature-Description: This function can be used to 1) Personalise your photographs 2) Add signatures to your photographs The input to this function are two pictures- Input 1: your photograph Input 2: your signature