摘要：
num = 100 num2 = "100" name = "laowang" int(num2) str(num) len(name) #7 a = "lao" b = "wang" c = "zhao" d = a+b #d "laowang" A = 100 B = 200 C = A+B # 阅读全文
posted @ 2019-07-26 20:28
qiaoliang0302
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