diff --git a/base/templates/base/index.html b/base/templates/base/index.html
index 759d0d4..bf8df93 100644
--- a/base/templates/base/index.html
+++ b/base/templates/base/index.html
@@ -13,7 +13,7 @@
             margin: 0;
             font-family: Arial, sans-serif;
             font-size: 16px;
-            line-height: 1.25;
+            line-height: 1.15;
         }
 
         header {
diff --git a/file.txt b/file.txt
index 4539bbf..5cdcb7d 100644
--- a/file.txt
+++ b/file.txt
@@ -1,3 +1 @@
-0
-1
-2
+6 is not a prime number.
diff --git a/test.py b/test.py
index 4a30528..343f2f1 100644
--- a/test.py
+++ b/test.py
@@ -1,4 +1,4 @@
-d = ['']
+d = ['13']
 def input():
     try:
         out = d[0]
@@ -8,5 +8,21 @@ def input():
 
     return out 
 
-for i in range(3):
-    print(i)
\ No newline at end of file
+# Check if number is Prime or Not
+# Take input from the user
+n = int(input())
+
+# Check if the number is prime
+prime = True
+if n <= 1:
+    prime = False
+else:
+    for i in range(2, int(n**0.5) + 1):
+        if n % i == 0:
+            prime = False
+            break
+
+if (prime):
+    print(f"{n} is a prime number.")
+else:
+    print(f"{n} is not a prime number.")
\ No newline at end of file