然而,使用一个可迭代对象,我们可以使用for循环多次迭代,或者可以使用索引获取项。 iterable=(1,2,3,4)iterator_obj=iter(iterable)print("Iterable loop 1:")# iterating on iterableforiteminiterable:print(item,end=",")print("\nIterable Loop 2:")foriteminiterable:print(item,end=",")print("\nIter...
if self.current >= self.n:raise StopIteration # 当没有下一个元素时抛出异常 next_val = self....
During the first iteration, the value ofiwill be8, while in next it will be9and so on, uptill6, in the last iteration. Doing so, one can easily use these individual list element values inside the loop, as in our case, we have printed them. 在第一次迭代期间,i的值为8,而在下一个...
In each iteration of the loop, the variable i get the current value. Example: Print first 10 numbers using a for loop Here we used the range() function to generate integers from 0 to 9 Next, we used the for loop to iterate over the numbers produced by the range() function In the...
In each iteration of outer for loop, the inner for loop execute five times to print the current name five times names = ['Kelly','Jessa','Emma']# outer loopfornameinnames:# inner while loopcount =0whilecount <5: print(name, end=' ')# increment countercount = count +1print() ...
Sometimes, you might write awhileloop that doesn’t naturally terminate. A loop with this behavior is commonly known as aninfinite loop, although the name isn’t quite accurate because, in the end, you’ll have to terminate the loop somehow. ...
(Our perspective as a Python user) A lazy iterable that gets consumed as you loop over it. Once all items have been consumed from an iterator, it is exhausted and will appear empty when looped over again. Iterators can be looped over (see iteration) or they can be passed to the built...
Exit the loop when i is 3: i =1 whilei <6: print(i) ifi ==3: break i +=1 Try it Yourself » The continue Statement With thecontinuestatement we can stop the current iteration, and continue with the next: Example Continue to the next iteration if i is 3: ...
breakkeyword is used inside the loop to break out of the loop. Suppose while iterating over the characters of the string stored in the variablename, you want to break out of it as soon as the character"T"is encountered. This is how it can be done: ...
Let’s an example on how to use the break statement in a for loop. for i in range(1,10): if i == 3: break print i Continue The continue statement is used to tell Python to skip the rest of the statements in the current loop block and to continue to the next iteration of the...