app.py

import streamlit as st
from streamlit_pdf_viewer import pdf_viewer
import pdfplumber
import io



uploaded_files = st.file_uploader('Choose your .pdf file')

if uploaded_files is not None:
    # To read file as bytes:
    bytes_data = uploaded_files.read()
    pdf_viewer(input=bytes_data)
    pdf_content = io.BytesIO(bytes_data)
    # with pdfplumber.open(pdf_content) as pdf_file:
    #     for page in pdf_file.pages:
    #         print(page.extract_text())
    

x = st.slider('Select a value')
url_1 = st.text_input(label="Enter research paper url",key="url_1")
st.write(x, 'squared is', x * x)