pd.col (new in Pandas 3.0) — reference a column lazily inside method chains, replacing many lambdas.
Below are the 20 Bamboo Weekly exercises that use pd.col on real-world data — try each one, then study the worked solution.
- Bamboo Weekly #173: IPOs
- Bamboo Weekly #172: World Cup
- Bamboo Weekly #171: Hantavirus
- Bamboo Weekly #170: Port of Long Beach
- Bamboo Weekly #169: Press freedom
- Bamboo Weekly #168: US gas prices
- Bamboo Weekly #167: Oil prices
- Bamboo Weekly #166: Income tax
- Bamboo Weekly #165: Artemis II
- Bamboo Weekly #164: Fertilizer
- Bamboo Weekly #163: Daylight saving time
- Bamboo Weekly #162: Spotify and car accidents
- Bamboo Weekly #161: Missiles in Israel
- Bamboo Weekly #160: Strait of Hormuz
- Bamboo Weekly #159: State of the Union
- Bamboo Weekly #158: University endowments
- Bamboo Weekly #157: Government corruption
- Bamboo Weekly #156: Winter Olympics
- Bamboo Weekly #155: Gold
- Bamboo Weekly #149: Flu season
Part of the Pandas Methods Index. See also practice by skill.