python算法实践2 shell排序
#shell排序
def ShellPass(mylist, d):
size = len(mylist)
i = d
while i < size:
if mylist[i] < mylist[i - d]:
tmp = mylist[i]
j = i - d
mylist[j + d] = mylist[j]
j = j - d
while j >= 0 and mylist[j] > tmp:
mylist[j + d] = mylist[j]
j = j - d
mylist[j + d] = tmp
i = i + d
def ShellSort(mylist):
n = len(mylist)
while n > 1:
n = n // 3 + 1
ShellPass(mylist, n)
mylist0 = [12, 11, 13, 1, 2, 4, 3, 77, 44]
ShellSort(mylist0)
print(mylist0)
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灵剑
1.python 字符串通常有单引号（'...'）、双引号（...）、三引号（...）或（'''...'''）包围，三引号包含的字符串可由多行组成，一般可表示大段的叙述性字符串。在使用时基本没有差别，
1.python
字符串通常有单引号（'...'）、双引号（"..."）、三引号（"""... ......
2008-12-21
python类型转换、数值操作
关键字: python类型转换、数值操作
python类型转换
Java代码
函数 描述
int(x [,base ]) ......
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# map() takes two (or more) arguments, a function and a list to apply the function to
# lambda can be put anywhere a function is expected
# map() calls lambada for every element in the self list
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