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Two confusions in this: a,b,*c = [x for x in range(1,5)]
a,b,*c = [x for x in range(1,5)] 1. What does that mean *c? I don't think it is a valid variable. 2. I know for x in range(5) But what does that mean x for x in range(5)?why they put a x in front of this loop.
1 Antwort
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1. Tuple Unpacking
https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2485/?ref=app
*c means taking the rest of variables
In your example, range(1,5) is 1,2,3,4
a = 1
b = 2
*c = the rest
so
c = [3, 4]
2. List comprehension
Just like writing a for loop but in one line
https://www.sololearn.com/learn/Python/2454/
range() returns a generator, so you cannot use list unpacking directly, so use a for loop to take the values out.