[Python] Return in Python fails for Tensorflow Processing Code [duplicate]

When I try this code in Python 2.7:

if __name__ == "__main__":
file_name = "tensorflow/examples/label_image/data/grace_hopper.jpg"
...

with tf.Session(graph=graph) as sess:
results = sess.run(output_operation.outputs[0], {
input_operation.outputs[0]: t
})
results = np.squeeze(results)

top_k = results.argsort()[-5:][::-1]
labels = load_labels(label_file)
j=0
for i in top_k:
print(labels, results)
age[j]=labels
j=j+1
if age[0] == "youngadult":
t = 0
elif age[0] == "youth":
t = 1
elif age[0] == "adult":
t = 2
elif age[0] == "seniors":
t = 3
elif age[0] == "children":
t = 4
else:
t = 5
return t


I get an error that says: SyntaxError: 'return' outside function. What is wrong, and how can I fix it?

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