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def run_length_decode(in_array):
"""A function to run length decode an int array.
:param in_array: the input array of integers
:return the decoded array"""
switch=False
out_array=[]
for item in in_array:
if switch==False:
this_item = item
switch=True
else:
switch=False
out_array.extend([this_item]*int(item))
return out_array
def delta_decode(in_array):
"""A function to delta decode an int array.
:param in_array: the input array of integers
:return the decoded array"""
if len(in_array) == 0:
return []
this_ans = in_array[0]
out_array = [this_ans]
for i in range(1, len(in_array)):
this_ans += in_array[i]
out_array.append(this_ans)
return out_array
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