diff --git a/examples/example04.py b/examples/example04.py
new file mode 100644
index 0000000..b10693d
--- /dev/null
+++ b/examples/example04.py
@@ -0,0 +1,11 @@
+import package01.module01
+import package01.module02
+
+a = 5
+b = 10
+
+print(package01.module01.do_something(a, b))
+print(package01.module01.name())
+
+print(package01.module02.do_something(a, b))
+print(package01.module02.name())
diff --git a/examples/example05.py b/examples/example05.py
new file mode 100644
index 0000000..d92cfe8
--- /dev/null
+++ b/examples/example05.py
@@ -0,0 +1,11 @@
+import package02.A.module
+import package02.B.module
+
+a = 5
+b = 10
+
+print(package02.A.module.do_something(a, b))
+print(package02.A.module.name())
+
+print(package02.B.module.do_something(a, b))
+print(package02.B.module.name())
diff --git a/examples/example06.py b/examples/example06.py
new file mode 100644
index 0000000..aa72a24
--- /dev/null
+++ b/examples/example06.py
@@ -0,0 +1,11 @@
+from package02.A import module as Amodule
+from package02.B import module as Bmodule
+
+a = 5
+b = 10
+
+print(Amodule.do_something(a, b))
+print(Amodule.name())
+
+print(Bmodule.do_something(a, b))
+print(Bmodule.name())
diff --git a/examples/package02/A/__init__.py b/examples/package02/A/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/examples/package02/A/module.py b/examples/package02/A/module.py
new file mode 100644
index 0000000..17bdde7
--- /dev/null
+++ b/examples/package02/A/module.py
@@ -0,0 +1,5 @@
+def do_something(a, b):
+    return a + b
+
+def name():
+    return __name__
\ No newline at end of file
diff --git a/examples/package02/B/__init__.py b/examples/package02/B/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/examples/package02/B/module.py b/examples/package02/B/module.py
new file mode 100644
index 0000000..8b02435
--- /dev/null
+++ b/examples/package02/B/module.py
@@ -0,0 +1,5 @@
+def do_something(a, b):
+    return a * b
+
+def name():
+    return __name__
\ No newline at end of file
diff --git a/examples/package02/__init__.py b/examples/package02/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/images/barcelona.png b/images/barcelona.png
index 7acedf4..eeb46a0 100644
Binary files a/images/barcelona.png and b/images/barcelona.png differ
diff --git a/images/barcelona.webp b/images/barcelona.webp
new file mode 100644
index 0000000..7acedf4
Binary files /dev/null and b/images/barcelona.webp differ
diff --git a/images/berlin.png b/images/berlin.png
index d681db7..2da599d 100644
Binary files a/images/berlin.png and b/images/berlin.png differ
diff --git a/images/berlin.webp b/images/berlin.webp
new file mode 100644
index 0000000..d681db7
Binary files /dev/null and b/images/berlin.webp differ
diff --git a/images/silicon_valley.png b/images/silicon_valley.png
index 28b0e4b..b2f405a 100644
Binary files a/images/silicon_valley.png and b/images/silicon_valley.png differ
diff --git a/images/silicon_valley.webp b/images/silicon_valley.webp
new file mode 100644
index 0000000..28b0e4b
Binary files /dev/null and b/images/silicon_valley.webp differ