diff --git a/dust-lang/src/abstract_tree/built_in_function_call.rs b/dust-lang/src/abstract_tree/built_in_function_call.rs
index e710d52..0c5145b 100644
--- a/dust-lang/src/abstract_tree/built_in_function_call.rs
+++ b/dust-lang/src/abstract_tree/built_in_function_call.rs
@@ -1,4 +1,8 @@
-use std::{io::stdin, thread, time::Duration};
+use std::{
+    io::{stdin, stdout, Write},
+    thread,
+    time::Duration,
+};
 
 use crate::{
     abstract_tree::{Action, Type},
@@ -47,7 +51,9 @@ impl AbstractNode for BuiltInFunctionCall {
 
                 stdin().read_line(&mut buffer)?;
 
-                Ok(Action::Return(Value::string(buffer)))
+                Ok(Action::Return(Value::string(
+                    buffer.strip_suffix('\n').unwrap_or(&buffer),
+                )))
             }
             BuiltInFunctionCall::Sleep(expression) => {
                 let action = expression.clone().run(context, _manage_memory)?;
@@ -76,7 +82,11 @@ impl AbstractNode for BuiltInFunctionCall {
                 };
 
                 if let ValueInner::String(output) = value.inner().as_ref() {
-                    println!("{output}");
+                    let mut stdout = stdout();
+
+                    stdout.write_all(output.as_bytes())?;
+                    stdout.write(b"\n")?;
+                    stdout.flush()?;
                 }
 
                 Ok(Action::None)
diff --git a/dust-lang/src/abstract_tree/map_index.rs b/dust-lang/src/abstract_tree/map_index.rs
index 79c7dfe..aadd398 100644
--- a/dust-lang/src/abstract_tree/map_index.rs
+++ b/dust-lang/src/abstract_tree/map_index.rs
@@ -28,7 +28,7 @@ impl AbstractNode for MapIndex {
             (&self.collection, &self.index)
         {
             let collection =
-                if let Some(collection) = context.use_value(&collection_identifier.item)? {
+                if let Some(collection) = context.get_value(&collection_identifier.item)? {
                     collection
                 } else {
                     return Err(ValidationError::VariableNotFound {
diff --git a/dust-lang/src/parser.rs b/dust-lang/src/parser.rs
index cf4a78b..9b2cff2 100644
--- a/dust-lang/src/parser.rs
+++ b/dust-lang/src/parser.rs
@@ -62,7 +62,7 @@ pub fn parser<'src>(
         Token::Boolean(boolean) => ValueNode::Boolean(boolean),
         Token::Float(float) => ValueNode::Float(float),
         Token::Integer(integer) => ValueNode::Integer(integer),
-        Token::String(string) => ValueNode::String(string.to_string()),
+        Token::String(text) => ValueNode::String(text.to_string()),
     }
     .map_with(|value, state| Expression::Value(value.with_position(state.span())));