Python pack / unpack converts to Objective C

NSArray *timouts = [NSArray arrayWithObjects:[NSString stringWithFormat:@"10000"],[NSString stringWithFormat:@"10000"],[NSString stringWithFormat:@"10000"],[NSString stringWithFormat:@"10"],nil];

NSArray *timeOuts = @[@10000, @10000, @10000, @10];

NSLog( @"%@", timeOuts );

NSMutableArray * bytes = [NSMutableArray arrayWithCapacity:4];
for (NSNumber *value in timeOuts) // Take out numbers
{
…
}

NSMutableArray *bytes = [NSMutableArray arrayWithCapacity:4];
for (NSNumber *value in timeOuts) // Take out numbers
{
   int intValue = [value intValue];
   …
}

NSMutableArray *bytes = [NSMutableArray arrayWithCapacity:4];
for (NSNumber *value in timeOuts) // Take out numbers
{
   int intValue = [value intValue];
   for( int x = 0; x < 4; x++ )
   {
     int byte = intValue & 0xFF000000; // Mask out bit 0-23
     [bytes addObject:@(byte)];  // Store byte
     intValue <<= 8;             // Shift up bit 0-23 to 8-31 for the next iteration

   }
}
NSLog( @"%@", bytes );

NSArray *timeOuts = @[@10000, @10000, @10000, @10];
NSLog( @"%@", timeOuts );

NSMutableArray *bytes = [NSMutableArray arrayWithCapacity:4];
for (NSNumber *value in timeOuts) // Take out numbers
{
   int intValue = [value intValue];
   for( int x = 0; x < 4; x++ )
   {
     int byte = intValue & 0xFF; // Mask out bit 8-31
     [bytes addObject:@(byte)];  // Store byte
     intValue >>= 8;             // Shift down bit 8-31 to 0-23 for the next iteration

   }
}
NSLog( @"%@", bytes );