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import matplotlib.pyplot as plt

from matplotlib.sankey import Sankey


# Create a simple flowchart using Sankey diagram approach
Sankey(flows=[1, -1, 1, -1, 1, -1, 1, -1],
       labels=['Start: User accesses app', 'User Input: Preferences set',
               'Data Collection: Sensors gather data', 'Data Processing',
               'Decision: Optimal levels?', 'Dispensing: Water & Nutrients', 
               'Solar Power Utilization', 'Feedback: User notified'],
       orientations=[1, 1, 1, 0, -1, -1, -1, -1]).finish()

# Title
plt.title("Flowchart: Verdant Edge Fertigation System")

# Show the diagram
plt.show()