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import gradio as gr
# Function to update the second dropdown based on the first
def update_dropdown(class_prefix):
# This generates a list of values like "5H01", "5H02", ..., "5H40"
return [f"{class_prefix}{str(i).zfill(2)}" for i in range(1, 41)]
# This is the initial value for the first dropdown
initial_class = "5H"
# Create the Gradio interface
with gr.Blocks() as demo:
# The first dropdown is initialized with "5H" as the default value
class_dropdown = gr.Dropdown(label="Class", choices=["5H", "5E", "5RS"], value=initial_class)
# The second dropdown is initialized with the values corresponding to "5H"
student_dropdown = gr.Dropdown(label="Student", choices=update_dropdown(initial_class))
# When the first dropdown changes, the second dropdown's choices are updated
class_dropdown.change(fn=update_dropdown, inputs=class_dropdown, outputs=student_dropdown)
# Launch the app
demo.launch() |