Added String Comparison

Author: PranavVerma-droid

code/Normal/file-16.td

@@ -0,0 +1,17 @@
+print("Error Testing File, Check Source Code");
+
+/* Try to Uncomment Each of These: */
+
+/* break; */
+/* continue; */
+
+/* var test = 0 */
+
+/* a = 10; */
+
+/* var a = 10;
+var a = 20; */
+
+/* print("hi" + 10); */
+
+/* print(int("hi")); */

code/Normal/file-17.td

@@ -0,0 +1,29 @@
+var arr = [3, 1, 2];
+print(arr);
+arr.sort();
+print(arr);
+arr.reverse();
+print(arr);
+arr.insert(1, 4);
+print(arr);
+print(arr.count());
+arr.clear();
+print(arr);
+print(arr.count());
+
+var arr2 = arr.copy();
+
+var str = " Hello World ";
+print(str);
+str = str.strip();
+print(str);
+str = str.upper();
+print(str);
+str = str.lower();
+print(str);
+
+var arr3 = ["heloo", "hi"];
+var arr4 = ["Helo"];
+arr3.insert(arr4);
+arr3.insert([123, 123, 43]);
+print(arr3);

code/Normal/file-18.td

@@ -0,0 +1 @@
+print("3" < "2");

src/interpreter.rs

@@ -165,9 +165,14 @@ fn interpret_node(node: &ASTNode, symbol_table: &mut HashMap<String, (Value, boo
                                 }
                                 Token::Equal => Ok(Value::Boolean(s == t)),
                                 Token::NotEqual => Ok(Value::Boolean(s != t)),
+                                Token::Greater => Ok(Value::Boolean(s > t)),
+                                Token::Less => Ok(Value::Boolean(s < t)),
+                                Token::GreaterEqual => Ok(Value::Boolean(s >= t)),
+                                Token::LessEqual => Ok(Value::Boolean(s <= t)),
                                 _ => Err(Error::UnsupportedOperation(format!("Unsupported operator for strings"))),
                             }
                         }
+                        
                         (Value::String(s), Value::Number(n)) => {
                             match op {
                                 Token::Multiply => Ok(Value::String(s.repeat(n as usize))),