Ahmed Wael Said hackerghost93
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| /*This to call the outside function .. the inside function "average" | |
| calculate the result and give it back to the outside function | |
| "avg" | |
| */ | |
| avg(List,Ans):- | |
| Count is 0, | |
| Sum is 0 , | |
| average(List,Count,Sum,Ans). | |
| /* This is the most important line you need to handle base case well use trace command in SWI-PROLOG |