I need help with Python, please! Thank you so much.

def split_alt(self):

"""

-------------------------------------------------------

Splits the Stack object (source) into separate target Stacks

with values alternating into the targets. At finish source

Stack is empty.

Use: target1, target2 = source.split_alt()

-------------------------------------------------------

Returns:

target1 - contains alternating values from source (Stack)

target2 - contains other alternating values from source (Stack)

-------------------------------------------------------

"""

def combine(self, source1, source2):

"""

-------------------------------------------------------

Combines two source stacks into the current target stack.

When finished, the contents of source1 and source2 are interlaced

into target and source1 and source2 are empty.

Use: target.combine(source1, source2)

-------------------------------------------------------

Parameters:

source1 - an array-based stack (Stack)

source2 - an array-based stack (Stack)

Returns:

None

-------------------------------------------------------

"""