Create app.py

app.py

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+import streamlit as st
+# To make things easier later, we're also importing numpy and pandas for
+# working with sample data.
+import numpy as np
+import pandas as pd
+
+st.title('My first app')
+
+st.write("Here's our first attempt at using data to create a table:")
+
+df = pd.DataFrame({
+    'first column': [1, 2, 3, 4],
+    'second column': [10, 20, 30, 40]
+})
+
+st.write(df)
+
+if st.checkbox('Show dataframe'):
+    chart_data = pd.DataFrame(
+       np.random.randn(20, 3),
+       columns=['a', 'b', 'c'])
+
+    chart_data
+    
+
+option = st.selectbox(
+    'Which number do you like best?',
+     df['first column'])
+
+st.write('You selected: ', option)
+
+text1 = st.text('This is some text.')
+
+if st.button('Say hello'):
+    st.write('Why hello there')
+else:
+    st.write('Goodbye')
+
+
+agree = st.checkbox('I agree')
+
+if agree:
+    st.write('Great!')
+    
+age = st.slider('How old are you?', 0, 130, 25)
+
+st.write("I'm ", age, 'years old')
+
+title = st.text_input('Movie title', 'Life of Brian')
+
+st.write('The current movie title is', title)
+
+number = st.number_input('Insert a number')
+
+st.write('The current number is ', number)
+