diff --git a/.vscode/settings.json b/.vscode/settings.json
index ca20f958..a29a39eb 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -13,7 +13,7 @@
   "editor.tabSize": 2,
   "editor.useTabStops": true,
   "emmet.triggerExpansionOnTab": true,
-  "explorer.openEditors.visible": 0,
+  "explorer.openEditors.visible": 1,
   "files.autoSave": "afterDelay",
   "screencastMode.onlyKeyboardShortcuts": true,
   "terminal.integrated.fontSize": 18,
diff --git a/Ex_Files/01_01_begin/hello.py b/Ex_Files/01_01_begin/hello.py
new file mode 100644
index 00000000..9839e63b
--- /dev/null
+++ b/Ex_Files/01_01_begin/hello.py
@@ -0,0 +1 @@
+import this
\ No newline at end of file
diff --git a/Ex_Files/01_01_begin/local.txt b/Ex_Files/01_01_begin/local.txt
deleted file mode 100644
index e69de29b..00000000
diff --git a/Ex_Files/02_01_begin/main.py b/Ex_Files/02_01_begin/main.py
index de27c558..28d3b54d 100644
--- a/Ex_Files/02_01_begin/main.py
+++ b/Ex_Files/02_01_begin/main.py
@@ -1,4 +1,4 @@
-RUN_INDENTED = False
+RUN_INDENTED = True
 
 message = "running unindented"
 
@@ -11,3 +11,5 @@
 def my_function():
     greet = "Hello"
     return greet
+
+print(my_function())
\ No newline at end of file
diff --git a/Ex_Files/02_02_begin/main.py b/Ex_Files/02_02_begin/main.py
index 85a3ff30..3ecc7276 100644
--- a/Ex_Files/02_02_begin/main.py
+++ b/Ex_Files/02_02_begin/main.py
@@ -10,3 +10,7 @@
 formatted = greet_format.format(name)
 
 print(intrupution, formatted)
+
+print(formatted.upper())
+print(formatted.lower())
+print(formatted.replace("John", "Mubashir"))
\ No newline at end of file
diff --git a/Ex_Files/02_04_begin/main.py b/Ex_Files/02_04_begin/main.py
index 6b7b54c6..93d40de1 100644
--- a/Ex_Files/02_04_begin/main.py
+++ b/Ex_Files/02_04_begin/main.py
@@ -19,3 +19,5 @@
     print(i)
 
 # enumerate
+for i, name in enumerate(NAMES):
+    print(f"{i}, {name}")
\ No newline at end of file
diff --git a/Ex_Files/02_05_begin/main.py b/Ex_Files/02_05_begin/main.py
index 2256e801..0b4744f2 100644
--- a/Ex_Files/02_05_begin/main.py
+++ b/Ex_Files/02_05_begin/main.py
@@ -6,7 +6,7 @@
 CODE_SPACE = "code_space"
 LOCAL = "local"
 
-current_env = os.environ.get("ENV_NAME", DEVELOPMENT)
+current_env = os.environ.get("ENV_NAME", LOCAL)
 
 if current_env == DEVELOPMENT:
     print("Development environment")
diff --git a/Ex_Files/03_04/main.py b/Ex_Files/03_04/main.py
index 5ec888d8..806b72ee 100644
--- a/Ex_Files/03_04/main.py
+++ b/Ex_Files/03_04/main.py
@@ -29,6 +29,9 @@
 laureates_beginning_with_a = []
 # LinkedIn learner code here
 
+for laurate in laureates:
+    if laurate ["name"][0] == "A":
+        laureates_beginning_with_a.append(laurate)
 
 with open("laureates.json", "w") as f:
     json.dump(laureates_beginning_with_a, f, indent=2)