Is there a C# equivalent to the Python := (an assignment expression)? Question: Assignment expression Python 3.8 I like how it saves line. Example: for rule in rules: place = getPlace(rule) if place: print(f"Apply rule {rule.__name__} -> {place}") return place raise Exception(‘No rule found!’) ↓↓ for rule in rules: if place:= getPlace(rule): print(f"Apply rule {rule.__name__} …
Python: yield and yield assignment Question: How does this code, involving assignment and the yield operator, work? The results are rather confounding. def test1(x): for i in x: _ = yield i yield _ def test2(x): for i in x: _ = yield i r1 = test1([1,2,3]) r2 = test2([1,2,3]) print list(r1) print list(r2) Output: …
Multiple assignment and evaluation order in Python Question: What is the difference between the following Python expressions: # First: x,y = y,x+y # Second: x = y y = x+y First gives different results than Second. e.g., First: >>> x = 1 >>> y = 2 >>> x,y = y,x+y >>> x 2 >>> y …
