Python 字典使用例子
#!/usr/bin/env python
#coding=utf-8
def buildConnectionString(params):
return ":".join(["%s=%s" %(k, v) for k, v in params.items()])
if __name__ == "__main__":
myParams = {"server":"mpilgrim", \
"database":"master", \
"uid":"sa", \
"pwd":"secret"\
}
print buildConnectionString(myParams)
print __name__
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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（"""... ......
逐步演进
f=open('/etc/motd','r')
longest=0
while True:
lineLen=len(f.readline().strip())
if not lineLen: break
if lineLen > longest:
longest=lineLen
f.close()
return longest
问题：一直占� ......
And last here is the overload operators example:
# 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
# since Vector has overloaded __getitem__ and __len_ ......
#堆排序
def Heapify(mylist, start, end):
left = 0
right = 0
maxv = 0
left = start * 2
right = start * 2 + 1
while left <= end:
maxv = left
if right <= end:
if mylist[left] < mylist[right]:
maxv = right
......
def MergeSort(mylist, low, mid, high):
i = low
j = mid + 1
tmp = []
while i <= mid and j <= high:
if mylist[i] <= mylist[j]:
tmp.append(mylist[i])
i = i + 1
else:
tmp.append(mylist[j])
j = j + 1
......
