Update app.py

app.py

@@ -0,0 +1,20 @@
+import streamlit as st
+
+class TextLoader:
+    def __init__(self, file):
+        self.file = file
+    def load(self):
+        return self.file.read().decode("utf-8")
+
+st.title("Please upload files that are txt format")
+uploaded_file = st.file_uploader("Choose a text file", type=["txt"])
+
+if uploaded_file is not None:
+    with open("uploaded_file.txt", "wb") as f:
+        f.write(uploaded_file.getbuffer())
+
+text_loader = TextLoader(open("uploaded_file.txt","rb"))
+file_content = text_loader.load()
+
+st.write("File content:")
+st.text(file_content)