循环while 循环count0whilecount5:print(count,end )# 0 1 2 3 4count1# while-else循环正常结束未 break时执行 elsen0whilen3:print(n)n1else:print(循环正常结束)for 循环# 遍历列表fruits[apple,banana,cherry]forfruitinfruits:print(fruit)# 遍历字符串forcharinPython:print(char,end )# P y t h o n# for-elseforitemin[1,2,3]:ifitem10:print(找到了)breakelse:print(未找到)# 输出未找到range() 函数range(stop)# 0 到 stop-1range(start,stop)# start 到 stop-1range(start,stop,step)foriinrange(5):# 0, 1, 2, 3, 4print(i)foriinrange(2,6):# 2, 3, 4, 5print(i)foriinrange(10,0,-2):# 10, 8, 6, 4, 2print(i)# 带索引的遍历fruits[apple,banana,cherry]fori,fruitinenumerate(fruits):print(f{i}:{fruit})# 0: apple# 1: banana# 2: cherry循环控制语句break# 跳出整个循环continue# 跳过当前迭代进入下一次pass# 占位符什么都不做上一篇[[Python-条件判断]] | 下一篇[[Python-推导式]]
