سوال في البرمجه :(

[kau_fanonh]

بليز اي احد يقدر يساعدني في حل ده السوال مررره ضروري

Write a program segment that computes 1+2+3+....+(n-1)+n ,where n is a data value . follow the loop body with an if statement that compares this value to (n*(n-1))/2 and display a message that indicates whether the value are the same or different. what message do you think will be displaying?