diff --git a/dz9.2 b/dz9.2
new file mode 100644
index 0000000..cc0603b
--- /dev/null
+++ b/dz9.2
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+#define N 1000
+
+void Inversion(char *s);
+bool Symmetry(char *s);
+
+int main()
+{
+  char s[N];
+  printf("Input string : ");
+  fgets(s, N, stdin);
+
+  int x = Symmetry(s);
+  printf("%d\n", x);
+
+  Inversion(s);
+  printf("%s", s);
+}
+
+bool Symmetry(char *s)
+{
+  bool b = true;
+  int x = strlen(s) - 1;
+  char t[x];
+  int y = 0;
+  for(int i = 0; i < x; i++)
+  {
+    {
+      t[x - i - 1] = s[i];
+    }
+  }
+  for(int i = 0; i < x; i++)
+  {
+    if (t[i] != s[i] ) { b = false; }
+    else{ y++;  }
+  }
+  if(y == x ){  b = true; }
+  return b;
+}
+
+void Inversion(char *s)
+{
+  int x = strlen(s) - 1;
+  for(int i = 0; i < x / 2; i++)
+  {
+    char t = s[i];
+    s[i] = s[x - i - 1];
+    s[x - i - 1] = t;
+  }
+}