diff --git a/BigCountries.py b/BigCountries.py
new file mode 100644
index 0000000..a96406d
--- /dev/null
+++ b/BigCountries.py
@@ -0,0 +1,7 @@
+import pandas as pd
+
+def big_countries(world: pd.DataFrame) -> pd.DataFrame:
+    return world.loc[
+        (world['area'] >= 3000000) | (world['population'] >= 25000000),
+         ['name', 'population','area']]
+    
\ No newline at end of file
diff --git a/LowFatProduct.py b/LowFatProduct.py
new file mode 100644
index 0000000..6d54813
--- /dev/null
+++ b/LowFatProduct.py
@@ -0,0 +1,4 @@
+import pandas as pd
+
+def find_products(products: pd.DataFrame) -> pd.DataFrame:
+    return products.loc[(products['low_fats'] == 'Y') & (products['recyclable'] == 'Y'), ['product_id']]
\ No newline at end of file
diff --git a/PandasDataFrameFromList.py b/PandasDataFrameFromList.py
new file mode 100644
index 0000000..202b808
--- /dev/null
+++ b/PandasDataFrameFromList.py
@@ -0,0 +1,6 @@
+import pandas as pd
+lst = [['Geek', 25], ['is', 30],
+       ['for', 26], ['GeeksforGeeks', 22]]
+df = pd.DataFrame(lst, columns=['Tag', 'number'])
+print(df)
+