import mod1
print(mod1.sum(3, 4))
print(mod1.safe_sum(3, 4))

9c47e798df9810120eb565b4b75963892d7deed8
<mask token>

<mask token>
print(mod1.sum(3, 4))
print(mod1.safe_sum(3, 4))

import mod1
print(mod1.sum(3, 4))
print(mod1.safe_sum(3, 4))
