KEEP

摘要：//==============================================================================#include #include #define DENSITY 62.4int main() { float weight, volume; int size, letters; char name[40]; printf("Hi! What is your name?\n"); scanf("%s", name); //指针 printf("%s, what is your wei 阅读全文

摘要：#1.8集合(JAVA_SET)#集合用于包含一组无序的对象#set()函数创建集合#集合无法通过数字进行索引#集合中的元素不能重复s = set([3,5,9,10])t = set("Hello")#>>> t#set(['H','e','l','o'])#集合支持的操作a = t | s #并集a = t & s #交集c = t - s #差集(项在t中，但是不在s中)d = t ^ s #对称差集(项在t或s中，但是不会出现在二者中)#添加元素t.add('x' 阅读全文

摘要：//TODO 阅读全文

摘要：#1.6列表names = ["Tom", "Mark", "Ann","Phil"]#取值a = names[2]#赋值names[0] = "Jeff"#追加names.append("Google")#插入names.insert(2, "Thomas")#提取子列表或对子列表重新赋值(返回的是列表)b = names[0:2] #["Jeff", "Mark"]c = names[2:] names[1] = 阅读全文

摘要：#1.4文件输入和输出#读文件f = open("/home/liulipeng/test.c") line = f.readline() while line: print line, # print(line, end='') line = f.readline()f.close()# readline()方法读取一行内容，包括结尾的换行符在内。# 读至文件结尾时返回空字符串for line in open("/home/liulipeng/test.c"): print line, #写文件principa... 阅读全文