jackfrued / jackfrued/Python-100-Days
Day01-15 02语言元素 指正一个错误
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Description
赋值操作不是一个运算符，而是一个语句，赋值语句。
判断一个操作是语句还是运算符，最简单的是看有没有返回值，一个运算一定是要返回一个值的（在python里就是对象），而语句则不会。
a = 10
b = a<20 # b的值是True，a<20返回True对象
if b = a<20: # 这条语句是错误的，因为b=a<20是语句，没有返回值，if就判断不了
print('yes')
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Research direction
Review the Day01-15 “02语言元素” lesson and the assignment/operator explanation shown in the issue. Verify the wording and Python example against the lesson’s surrounding content; done when the reported conceptual error is corrected and the example is consistent.
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Assessment
- Tech stack
- python
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100