Total values, overall or per group.
Below are the 68 Bamboo Weekly exercises that use sum on real-world data — try each one, then study the worked solution.
- Bamboo Weekly #173: IPOs
- Bamboo Weekly #170: Port of Long Beach
- Bamboo Weekly #166: Income tax
- Bamboo Weekly #164: Fertilizer
- Bamboo Weekly #162: Spotify and car accidents
- Bamboo Weekly #160: Strait of Hormuz
- Bamboo Weekly #159: State of the Union
- Bamboo Weekly #158: University endowments
- Bamboo Weekly #154: University rankings
- Bamboo Weekly #153: Venezuela
- Bamboo Weekly #152: Congestion pricing
- Bamboo Weekly #150: Kalshi
- Bamboo Weekly #147: Presidential pardons
- Bamboo Weekly #144: Museum Heists
- Bamboo Weekly #141: Argentina
- Bamboo Weekly #140: Stack Overflow survey
- Bamboo Weekly #136: Indian vehicles
- Bamboo Weekly #135: Airline seats
- Bamboo Weekly #134: Taiwan weather
- Bamboo Weekly #131: Canadian border crossings
- Bamboo Weekly #128: Extreme heat
- Bamboo Weekly #124: NATO Spending
- Bamboo Weekly #121: Research funding
- Bamboo Weekly #117: Electricity
- Bamboo Weekly #113: US airport traffic
- Bamboo Weekly #112: Programming jobs
- Bamboo Weekly #106: Flu season
- Bamboo Weekly #104: Aviation accidents
- Bamboo Weekly #103: CDC data
- Bamboo Weekly #102: WordPress
- Bamboo Weekly #100: Sports betting
- Bamboo Weekly #97: Drones
- Bamboo Weekly #94: Strategic Wine Reserve
- Bamboo Weekly #92: Climate disaster costs
- Bamboo Weekly #91: Roller coasters
- Bamboo Weekly #89: Housing
- Bamboo Weekly #88: Hot summers
- Bamboo Weekly #87: Nuclear power
- Bamboo Weekly #85: PACs and parties
- Bamboo Weekly #84: Central banks
- Bamboo Weekly #82: Broadband
- Bamboo Weekly #79: Cyber attacks
- Bamboo Weekly #77: Paris Olympics
- Bamboo Weekly #75: Refugees
- Bamboo Weekly #74: UK elections
- Bamboo Weekly #69: Election participation
- Bamboo Weekly #68: Dangerously hot weather
- Bamboo Weekly #64: Coal power
- Bamboo Weekly #63: Ukraine aid
- Bamboo Weekly #62: Economic report card
- Bamboo Weekly #57: International arms trade
- Bamboo Weekly #55: IVF
- Bamboo Weekly #54: Household debt
- Bamboo Weekly #52: Border encounters
- Bamboo Weekly #51: Academy Awards
- Bamboo Weekly #48: Aviation accidents
- Bamboo Weekly #46: Pedestrians
- Bamboo Weekly #45: Netflix
- Bamboo Weekly #43: Financial protection
- Bamboo Weekly #40: Sovereign Bonds
- Bamboo Weekly #36: Nobel Prize
- Bamboo Weekly #34: House of Representatives
- Bamboo Weekly #33: Fracking
- Bamboo Weekly #29: Auto accidents
- Bamboo Weekly #27: Young voters
- Bamboo Weekly #13: Python developers
- Bamboo Weekly #12: Tourism
- Bamboo Weekly #5: Ukrainian exports
Part of the Pandas Methods Index. See also practice by skill.