{
  "code": "import pandas as pd\ndf = pd.DataFrame({'A': [1,2,3], 'B': [4,5,6]})\nprint(df.describe())",
  "language": "python"
}

{
  "code": "import matplotlib\nmatplotlib.use('Agg')\nimport matplotlib.pyplot as plt\nimport numpy as np\nx = np.linspace(0, 10, 100)\nplt.figure(figsize=(10,6))\nplt.plot(x, np.sin(x))\nplt.title('Sine Wave')\nplt.savefig('sine.png', dpi=300, bbox_inches='tight')\nprint('Done')",
  "language": "python",
  "output_filename": "sine.png"
}

{
  "command": "pip install yfinance"
}

{
  "command": "python --version && pip list | head -20"
}

{
  "operation": "write",
  "content": [{"path": "config.json", "text": "{\"key\": \"value\"}"}]
}

{
  "operation": "list",
  "paths": ["."]
}

{
  "operation": "read",
  "paths": ["output.csv"]
}

import pandas as pd
import numpy as np

df = pd.DataFrame({
    'date': pd.date_range('2024-01-01', periods=100),
    'revenue': np.random.normal(1000, 200, 100),
    'costs': np.random.normal(700, 150, 100),
})
df['profit'] = df['revenue'] - df['costs']

print("=== Summary Statistics ===")
print(df.describe())
print(f"\nTotal Profit: ${df['profit'].sum():,.2f}")
print(f"Profit Margin: {df['profit'].mean() / df['revenue'].mean() * 100:.1f}%")

import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import numpy as np

fig, axes = plt.subplots(2, 2, figsize=(14, 10))

categories = ['Q1', 'Q2', 'Q3', 'Q4']
values = [120, 150, 180, 210]
axes[0,0].bar(categories, values, color='#2196F3')
axes[0,0].set_title('Quarterly Revenue')

x = np.linspace(0, 10, 50)
axes[0,1].plot(x, np.sin(x), 'b-', linewidth=2)
axes[0,1].set_title('Trend')

sizes = [35, 30, 20, 15]
axes[1,0].pie(sizes, labels=['A','B','C','D'], autopct='%1.1f%%')
axes[1,0].set_title('Market Share')

x = np.random.normal(50, 10, 200)
y = x * 1.5 + np.random.normal(0, 15, 200)
axes[1,1].scatter(x, y, alpha=0.5, c='#FF5722')
axes[1,1].set_title('Correlation')

plt.tight_layout()
plt.savefig('dashboard.png', dpi=300, bbox_inches='tight')
print('Dashboard saved')

from sklearn.model_selection import train_test_split
from sklearn.ensemble import RandomForestClassifier
from sklearn.metrics import classification_report
from sklearn.datasets import load_iris

iris = load_iris()
X_train, X_test, y_train, y_test = train_test_split(
    iris.data, iris.target, test_size=0.3, random_state=42
)

model = RandomForestClassifier(n_estimators=100, random_state=42)
model.fit(X_train, y_train)
y_pred = model.predict(X_test)

print(classification_report(y_test, y_pred, target_names=iris.target_names))

import duckdb
import pandas as pd

orders = pd.DataFrame({
    'order_id': range(1, 101),
    'customer': [f'Customer_{i%20}' for i in range(100)],
    'amount': [round(50 + i * 3.5, 2) for i in range(100)],
})

result = duckdb.sql("""
    SELECT customer, COUNT(*) as cnt, ROUND(SUM(amount), 2) as total
    FROM orders GROUP BY customer
    HAVING COUNT(*) >= 3 ORDER BY total DESC LIMIT 10
""").df()
print(result.to_string(index=False))

import requests
import pandas as pd

response = requests.get("https://api.example.com/data")
data = response.json()
df = pd.DataFrame(data)
print(df.head())

Call 1: execute_code → load and clean data, store in variable `df`
Call 2: execute_code → analyze `df`, generate chart, save as PNG
Call 3: execute_code → export results to CSV
Call 4: file_operations(operation="read") → download the CSV