Update readme File + change code for printf function

Assignment-02/README.md

@@ -1,5 +1,5 @@
 ## Assignment 2
-Initialize and assign a value to an integer, float, and char variable. Then print each one with a sentence on a new line describing variable data type.
+Initialize and assign a value to an integer, float, and char array variable. Then print each one with a sentence on a new line describing variable data type.
 
 ## Example Output
 ```terminal_session

Assignment-02/assignment2.c

@@ -6,8 +6,6 @@ int main(void)
   float floatvar = 3.14;
   char string[] = "Hello, World!";
 
-  printf("%d is an integer!\n", integer);
-  printf("%f is a float!\n", floatvar);
-  printf("%s is a char!\n", string);
-
+ printf("%d is an intgeger!\n%.2f is a float!\n%s is a char array!\n",integer,floatvar,string);
+  return 0;
 }

Assignment-09/assignment9.c

@@ -4,7 +4,7 @@
 int main(int argc, char *argv[])
 {
 
-  if(argc < 3 || argc > 3)
+  if(argc != 3)
   {
   	printf("Usage: ./assignment9 Firstname Lastname");
   }