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data_set = [ 9,1,22,9,31,-5,45,3,6,2,11 ]
loop = 0
for i in range(len(data_set)):
while i > 0 and data_set[i] < data_set[i-1]:# 右边小于左边相邻的值
tmp = data_set[i]
data_set[i] = data_set[i-1]
data_set[i-1] = tmp
i -= 1
print(data_set)