Solution to Challenge 1

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
        NSMutableArray *groceryList = [NSMutableArray array];
        [groceryList addObject:@"Loaf of bread"];
        [groceryList addObject:@"Container of milk"];
        [groceryList addObject:@"Stick of butter"];
        [groceryList addObject:@"A bag of potatos"];
        [groceryList addObject:@"A box of apples"];
        [groceryList addObject:@"Six eggs"];
        
        NSLog(@"My grocery list is:");
        for (NSString *item in groceryList) {
            NSLog(@"%@", item);
        }
      
    }
    return 0;
}