记录一个比较坑爹的初级问题

关于iOS 对象的深拷贝浅拷贝的问题

    NSDictionary * dict = [NSDictionary new];
    
    NSMutableDictionary * muDict = [NSMutableDictionary dictionary];
    
    
    NSDictionary * dictWithDictFromDict = [NSDictionary dictionaryWithDictionary:dict];
    NSMutableDictionary * mDictWithDictFromDict = [NSMutableDictionary dictionaryWithDictionary:dict];
    
    NSDictionary * dictWithDictFromMuDict = [NSDictionary dictionaryWithDictionary:muDict];
    NSMutableDictionary * muDictWithMDictFromMuDict = [NSMutableDictionary dictionaryWithDictionary:muDict];
    
    NSDictionary * dictCopy = [dict copy];
    NSMutableDictionary * dictMCopy = [dict mutableCopy];
    
    NSDictionary * muDictCopy = [muDict copy];
    NSMutableArray * muDictMCopy = [muDict mutableCopy];
    
    NSLog(@"\n dict \t\t\t\t= %p\n muDict \t\t\t\t= %p\n dictWithDictFromDict \t\t\t\t= %p\n mDictWithDictFromDict \t\t\t\t= %p\n dictWithDictFromMuDict \t\t\t\t= %p\n muDictWithMDictFromMuDict \t\t\t\t= %p\n dictCopy \t\t\t\t= %p\n dictMCopy \t\t\t\t= %p\n muDictCopy \t\t\t\t= %p\n muDictMCopy \t\t\t\t= %p\n ",dict,muDict,dictWithDictFromDict,mDictWithDictFromDict,dictWithDictFromMuDict,muDictWithMDictFromMuDict,dictCopy,dictMCopy,muDictCopy,muDictMCopy);
    
   dict                 = 0x600003fa80b0
 muDict                 = 0x600003deef80
 dictWithDictFromDict               = 0x600003fa80b0
 mDictWithDictFromDict              = 0x600003def100
 dictWithDictFromMuDict                 = 0x600003def000
 muDictWithMDictFromMuDict              = 0x600003deeee0
 dictCopy               = 0x600003fa80b0
 dictMCopy              = 0x600003deeea0
 muDictCopy                 = 0x600003deee80
 muDictMCopy                = 0x600003deee60

copy和mutableCopy