r = int (math.sqrt(x)) ？
import math def is_sqr(x): r = int (math.sqrt(x)) return r*r == x print filter(is_sqr, range(1,101)) r = int (math.sqrt(x))这行啥意思？
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import math def is_sqr(x): r = int (math.sqrt(x)) return r*r == x print filter(is_sqr, range(1,101)) r = int (math.sqrt(x))这行啥意思？
2017-10-27
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