python字符串

1.while语句循环 i = 0   ##定义整数变量，记录循环的次数 result = 0 while i<=100:     if i%2!=0:         result+=i     i+=1 print '0~100只见的奇数数字球和的结果为%d'%result 2.for语句做的 sum = 0                          for i in range(2,

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