Conditionals

条件分支

Make decisions: if / elif / else, comparison and logical operators, and the order-of-branches trap. Strictly aligned with Think Python §5.1–§5.6.

Strict source: Think Python §5.1–§5.6 (Boolean Expressions · Logical Operators · Conditional / Alternative / Chained / Nested Conditionals).

Lessons in this chapter

1. 02.00 Worked Example

   Walkthrough: Sign of a Number

   例题: 数的正负号
   python-conditionals

   8 min
2. 02.01 Exercise

   Letter Grade

   等级字母
   python-conditionals

   15 min
3. 02.02 Exercise

   BMI Category

   体重指数分类
   python-conditionals

   15 min
4. 02.03 Exercise

   Leap Year

   闰年判断
   python-conditionals

   15 min
5. 02.04 Homework

   Homework: Tax Bracket Calculator

   作业: 阶梯税率计算器
   python-conditionals

   35 min