for循环
# for 变量 in  可迭代对象:
#    pass
s = "1234567890"
for each in s:          # 遍历字符串
    print(each)         # 1 2 3 4 5 6 7 8 9 0
print(each)             # 0   注意占位符
pass 和 ...
range
语法range(start,end,step): 范围,从start到end,不包含end,步长step默认是1
python3中打印range()会打印本身,python2中会打印出列表
for each in range(1,10):
   print(each)
# 1  2  3  4  5  6  7  8  9原文:https://www.cnblogs.com/zyyhxbs/p/10981138.html