diff --git a/examples/shp2kml.py b/examples/shp2kml.py
index 1b0a1634..2535fbc6 100755
--- a/examples/shp2kml.py
+++ b/examples/shp2kml.py
@@ -68,5 +68,4 @@
 kml = fastkml.KML(features=[document])
 
 outfile = pathlib.Path("co2_per_capita_2020.kml")
-with outfile.open("w") as f:
-    f.write(kml.to_string(prettyprint=True, precision=3))
+kml.write(outfile, prettyprint=True, precision=3)
diff --git a/examples/shp2kml_timed.py b/examples/shp2kml_timed.py
index 2f7dd343..e3f0dc8f 100755
--- a/examples/shp2kml_timed.py
+++ b/examples/shp2kml_timed.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+from __future__ import annotations
+
 import csv
 import datetime
 import pathlib
@@ -23,7 +25,7 @@
 
 co2_csv = pathlib.Path(examples_dir / "owid-co2-data.csv")
 
-co2_pa = {str(i): {} for i in range(1995, 2023)}
+co2_pa: dict[str, dict[str, float]] = {str(i): {} for i in range(1995, 2023)}
 
 with co2_csv.open() as csvfile:
     reader = csv.DictReader(csvfile)
@@ -54,9 +56,9 @@
     )
     style_url = fastkml.styles.StyleUrl(url=f"#{iso3_code}")
     folder = fastkml.containers.Folder(name=feature["properties"]["NAME"])
-    co2_growth = 0
+    co2_growth = 0.0
     for year in range(1995, 2023):
-        co2_year = co2_pa[str(year)].get(iso3_code, 0)
+        co2_year = co2_pa[str(year)].get(iso3_code, 0.0)
         co2_growth += co2_year
 
         kml_geometry = create_kml_geometry(
@@ -87,6 +89,5 @@
 document = fastkml.containers.Document(features=folders, styles=styles)
 kml = fastkml.KML(features=[document])
 
-outfile = pathlib.Path("co2_growth_1995_2022.kml")
-with outfile.open("w") as f:
-    f.write(kml.to_string(prettyprint=True, precision=3))
+outfile = pathlib.Path("co2_growth_1995_2022.kmz")
+kml.write(outfile, prettyprint=True, precision=3)
diff --git a/examples/simple_example.py b/examples/simple_example.py
index c5b9e139..183d856a 100755
--- a/examples/simple_example.py
+++ b/examples/simple_example.py
@@ -17,7 +17,6 @@ def print_child_features(element, depth=0):
     examples_dir = pathlib.Path(__file__).parent
     fname = pathlib.Path(examples_dir / "KML_Samples.kml")
 
-    with fname.open(encoding="utf-8") as kml_file:
-        k = kml.KML.from_string(kml_file.read().encode("utf-8"))
+    k = kml.KML.parse(fname)
 
     print_child_features(k)