defprintCQueue(self):if(self.head==-1):print("No element in the circular queue")elif(self.tail>=self.head):foriinrange(self.head,self.tail+1):print(self.queue[i],end=" ")print()else:foriinrange(self.head,self.k):print(self.queue[i],end=" ")foriinrange(0,self.tail+1):pr...
front not diff file add string """ t2 = """text2 this is a demo! front diff file del string """ def main(): t1line = t1.splitlines() #以行为分割 t2line = t2.splitlines() #示例1.输出到shell中 diff = difflib.Differ() #创建Differ对象 result = diff.compare(t1line,t2line) #...
.span()returns a tuple containing the start-, and end positions of the match. .stringreturns the string passed into the function .group()returns the part of the string where there was a match Example Print the position (start- and end-position) of the first match occurrence. ...
Operations to perform: Apply all migrations: admin, auth, book, contenttypes, sessions Running migrations: No migrations to apply. 这可能是因为在当前Django项目之前,还有别的Django项目也用到了同样的数据库,并且存在相同的app,导致了生成了名称相同的迁移脚本文件因此映射记录已经存在于django_migrations表中...
Keywords:Flask; online learning note; database design; front-end page design; back-end code implementation 1. 选题及其意义 1.1 研究背景和意义 随着互联网技术的不断发展和普及,人们的学习方式和教学方式也在不断变化。传统的教学方式主要依靠课堂授课和纸质笔记,但这种方式存在着很多问题,例如学生的笔记难以整...
主要章节和小节重新按照如下逻辑划分: 一、Python基础 1 数字 2 字符串 3 列表 4 流程控制 5 编程风格 6 函数 7 输入和输出 8 数据结构 9 模块 10 错误和异常 11 类和对象 二、Python模块 1 时间模块 2 文件操作 3 常见迭代器 4 yield 用法 5 装饰
lnsert # in front of selected lines在选定行前面插入。 Uncomment Region非注释区域 Remove leading # or#ll from selected lines从选定行中删除前导或。 Tabify Region禁忌区 Turn leading stretches of spaces into tabs.(Note: We recommend using 4 spaceblocks to indent Python code.) ...
class Deque: "双端队列" def __init__(self): self.__list = [] def add_front(self, item): "往队列头部添加一个item元素" self.__list.insert(0, item) def add_rear(self, item): "往队列尾部添加一个item元素" self.__list.append(item) def remove_front(self): "从队列头部删除一个元...
print "The fat bear is in front of another door." print "How are you going to move the bear?" bear_moved = False while True: choice = raw_input("> ") if choice == "take honey": dead("The bear looks at you then slaps your face off.") ...
JustPy was an object-oriented, component based, high-level Python Web Framework that required no front-end programming. With a few lines of only Python code, you could create interactive websites without any JavaScript programming. JustPy could also be used to create graphic user interfaces for...