请考虑以下表达式。注意,某些表达被重复以表示“上下文”。 (这是一长串) a, b = 1, 2 # simple sequence assignment a, b = ['green', 'blue'] # list asqignment a, b = 'XY' # string assignment a, b = range(1,5,2) # any iterable will do # nested sequence assignment (a,b), c = "XY", "Z" # a = 'X', b = …