This traverse generator function can be used to iterate over all the values:
def traverse(o, tree_types=(list, tuple)):
if isinstance(o, tree_types):
for value in o:
for subvalue in traverse(value, tree_types):
yield subvalue
else:
yield o
data = [(1,1,(1,1,(1,"1"))),(1,1,1),(1,),1,(1,(1,("1",)))]
print list(traverse(data))
# prints [1, 1, 1, 1, 1, '1', 1, 1, 1, 1, 1, 1, 1, '1']
for value in traverse(data):
print repr(value)
# prints
# 1
# 1
# 1
# 1
# 1
# '1'
# 1
# 1
# 1
# 1
# 1
# 1
# 1
# '1'
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