I'm a beginner in python. I'm not able to understand what the problem is? def list_benefits(): s1 = "More organized code" s2 = "More readable code" s3 = "Easier code reuse" s4 = "Allowing programmers to share and connect code together" return s1,s2,s3,s4 def build_sentence(): obj=list_benefits() print obj.s1 + " is a benefit of functions!" print obj.s2 + " is a benefit of functions!" print obj.s3 + " is a benefit of functions!" print build_sentence() The error I'm getting is: Traceback (most recent call last): Line 15, in <module> print build_sentence() Line 11, in build_sentence print obj.s1 + " is a benefit of functions!" AttributeError: 'tuple' object has no attribute 's1' Continue reading...