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import gradio as gr
def update_dropdown(class_prefix):
# Check if a class prefix is selected
if class_prefix is None:
# If no class is selected, return an empty list
return []
else:
# Generate student numbers for the selected class
return [f"{class_prefix}{str(i).zfill(2)}" for i in range(1, 41)]
# Define the options for the first dropdown
class_options = ["5H", "5E", "5RS"]
# Create the Gradio interface
with gr.Blocks() as demo:
class_dropdown = gr.Dropdown(label="Class", choices=class_options, value="5H")
student_dropdown = gr.Dropdown(label="Student", choices=update_dropdown("5H"))
# When the selected class changes, update the student dropdown
class_dropdown.change(fn=update_dropdown, inputs=[class_dropdown], outputs=[student_dropdown])
# Launch the app
demo.launch() |