diff --git a/.gitignore b/.gitignore
index e69de29..8617481 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+output.txt
diff --git a/data.txt b/data.txt
new file mode 100644
index 0000000..d4bbbbd
--- /dev/null
+++ b/data.txt
@@ -0,0 +1,3 @@
+item,price
+apple,2
+snake,3
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..de6c89b
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,6 @@
+numpy==2.2.3
+pandas==2.2.3
+python-dateutil==2.9.0.post0
+pytz==2025.1
+six==1.17.0
+tzdata==2025.1
diff --git a/script.py b/script.py
new file mode 100644
index 0000000..bdeee20
--- /dev/null
+++ b/script.py
@@ -0,0 +1,13 @@
+import pandas as pd
+
+input_file = 'data.txt'
+input_data = pd.read_csv(input_file)
+
+input_data['item'] = input_data['item'].str.upper()
+
+input_data = input_data.sort_values(by='price')
+
+output_file = 'output.txt'
+input_data.to_csv(output_file, index=False)
+
+print('Data processing complete!')
\ No newline at end of file