python学习之for语句

1.range数字范围

for i in range(5):
print (i)

结果显示：
0
1
2
3
4

2.列表显示

for i in ['100','200','300','100']:
print ("current num:",i)

结果显示：
current num: 100
current num: 200
current num: 300
current num: 100

for i in range(5):
if i<=3:
print("loop:", i)