Update app.py

app.py

@@ -6,15 +6,20 @@ from contextlib import redirect_stdout
 from streamlit_ace import st_ace
 st.set_page_config(page_icon='👩‍💻', layout="wide", initial_sidebar_state="collapsed")
 
-col1, col2 = st.columns([1, 1])
+col1, col2, col3 = st.columns([5, 5, 3])
 with col1:
     st.write('### Inputs')
     inputs = st_ace(placeholder="The input tensor(s) specified as a dictionary", value="{'rows': [10, 20, 30],\n'cols': [1,2,3,4]}", language="python", theme="solarized_dark")
 with col2:
     st.write('### Output')
     output = st_ace(placeholder="The output tensor", value="[[11, 12, 13, 14],\n[21, 22, 23, 24],\n[31, 32, 33, 34]]", language="python", theme="solarized_dark")
-i = eval(inputs)
-o = eval(output)
+with col3:
+    st.write('### Constants')
+    constants = st_ace(placeholder="Optional list of scalar constants", value="[]", language="python", theme="solarized_dark")
+if any(inputs, output, constants):
+    i = eval(inputs)
+    o = eval(output)
+    c = eval(constants)
 description = st.text_input(label="Description", placeholder="An optional natural language description of the operation", value="add two vectors with broadcasting to get a matrix")
 st.sidebar.header("Settings:")
 settings_kwargs = dict()