print("loop ", count) else: print("循环正常执行完了") print("---end---") 返回结果如下: loop 1 loop 2 终止循环 ---end--- 总结经验: 不用非要从语义理解记忆,将while...else作为一组语句,正常语法执行完上面的while循环就执行下面的else语句,while循环被break终止就不执行下面的语句 3.for循环...
count =0whilecount <=5: count +=1ifcount ==3:print('终止循环')breakelse:print("loop ", count)else:print("循环正常执行完了")print("---end---") 返回结果如下:---loop1loop2终止循环---end--- 不用非要从语义理解记忆,将while...else作为一组语句,正常语法执行完上面的while循环就执行下...
11): print(i) # 使用while循环计算1到10的和 sum = 0 i = 1 while i <= 10: s...
英文: For example, we have this piece of code that repeats itself 10 times, basically doing the very same tasks repeatedly again and again, To make it a more elegant code, instead of coding each print() function on each and every line, we can use a while loop. loops举例: 代码编写原则...
pyenv installpicks the latest known version, while other subcommands pick the latest installed version. E.g. to install and then switch to the latest 3.10 release: pyenv install 3.10 pyenv global 3.10 You can runpyenv latest -k <prefix>to see howpyenv installwould resolve a specific prefix,...
defrun(self):whileTrue:# Get the work from the queue and expand the tuple directory,link=self.queue.get()try:download_link(directory,link)finally:self.queue.task_done()defmain():ts=time()client_id=os.getenv('IMGUR_CLIENT_ID')ifnot client_id:raiseException("Couldn't find IMGUR_CLIENT_...
尽管如此,生成器在内存使用和性能方面都更好。它们允许函数避免临时再做所有的工作,当结果的列表很大或者在处理每一个结果都需要很多时间时,这一点尤其有用。生成器将在loop迭代中处理一系列值的时间分布开来。 尽管如此,对于更多高级的应用,它们提供了一个更简单的替代方案来手动将类的对象保存到迭代中的状态。 有...
Example-10: Loop n times using while without index number We can also loop through a range of numbers without using the index number: dart num=5whilenum>0:print(f"I will repeat myself {num} times")num-=1 Output: bash I will repeat myself 5 times I will repeat myself 4 times I ...
For Loop You can tackle the for loop in the same way as the while loop. As you probably would have expected, the "for" component in "for loop" refers to something that you do for a certain number of times. If you keep all the above in mind, you can easily define the for loop ...
The While statement is a type of loop statement. If the condition is met, the internal instruction is executed until the condition is not met. If the condition is not met, the internal instruction is not executed. Here is a piece of code to guess the number. To obtain random numbers, ...