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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ensure_tuple(length, tuples):
 	"""Yield `length`-sized tuples from the given collection. 	 	Will truncate longer tuples to the desired length, and pad using the leading element if shorter. 	"""

	
	for elem in tuples:
		# Handle non-tuples and non-lists as a single repeated element.
		if not isinstance(elem, (tuple, list)):
			yield (elem, ) * length
			continue
		
		l = len(elem)
		
		# If we have the correct length already, yield it.
		if l == length:
			yield elem
		
		# If we're too long, truncate.
		elif l > length:
			yield tuple(elem[:length])
		
		# If we're too short, pad the *leading* element out.
		elif l < length:
			yield (elem[0], ) * (length - l) + tuple(elem)