diff --git a/Fab-Gaurav/Day 178 of 100(i) b/Fab-Gaurav/Day 178 of 100(i)
new file mode 100644
index 000000000..57dd80e5d
--- /dev/null
+++ b/Fab-Gaurav/Day 178 of 100(i)	
@@ -0,0 +1,44 @@
+#include <bits/stdc++>
+using namespace std;
+
+int main() {
+    int t;
+    cin>>t;
+    while(t--){
+        int n,s=1;
+        cin>>n;
+        long int a[n];
+        for(int i=0;i<n;i++){
+            cin>>a[i];            
+        } 
+        cout<<a[0];
+        for(int i=1;i<n;i++){
+            if(a[i]-a[i-1]==1){
+                s++;
+                if(i==n-1){
+                    if(s>2){
+                        cout<<"..."<<a[i];
+                    }
+                    else{
+                        cout<<","<<a[i];
+                    }
+                }
+            }
+            else{
+                if(s>2){
+                    cout<<"..."<<a[i-1]<<","<<a[i];
+                    s=1;
+                }
+                else if(s==1){
+                    cout<<","<<a[i];
+                }
+                else{
+                    cout<<","<<a[i-1]<<","<<a[i];
+                    s=1;
+                }
+            }
+        }
+       cout<<endl; 
+    }
+	return 0;
+}