Real Python: add positron ide tutorial materials

positron-bike-share/.gitignore

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+.venv/
+__pycache__/
+.ipynb_checkpoints/

positron-bike-share/pyproject.toml

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+[project]
+name = "positron-bike-share"
+version = "0.1.0"
+description = "Starter materials for a Positron hands-on Python tutorial"
+requires-python = ">=3.14"
+dependencies = [
+    "matplotlib>=3.9",
+    "nbformat==5.11.1",
+    "pandas>=2.2",
+    "plotly==7.0.0",
+]
+
+[tool.uv]
+package = false

positron-bike-share/src/analyze_trips.py

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+# %%
+from pathlib import Path
+
+import matplotlib.pyplot as plt
+import pandas as pd
+
+PROJECT_ROOT = Path.cwd()
+DATA_PATH = PROJECT_ROOT / "data" / "bike_share_trips.csv"
+
+trips = pd.read_csv(DATA_PATH, parse_dates=["started_at", "ended_at"])
+
+# %%
+trips_by_hour = (
+    trips.assign(hour=trips["started_at"].dt.hour)
+    .groupby("hour", as_index=False)
+    .size()
+    .rename(columns={"size": "trip_count"})
+)
+
+ax = trips_by_hour.plot(
+    x="hour",
+    y="trip_count",
+    kind="line",
+    marker="o",
+    legend=False,
+    title="Bike Share Trips by Hour",
+)
+ax.set(xlabel="Hour of Day", ylabel="Trip Count")
+ax.set_xticks(range(24))
+plt.tight_layout()
+plt.show()