python_learn while 语句 和列表

stus = ['wukong','bajiang','shahesan','tenglao']

print('old: ',stus)

i = 0 
while i < 4:
    print(stus[i])
    i += 1 

stus = ['wukong','bajiang','shahesan','tenglao','bgj','jjg']

print('old: ',stus)

i = 0 
while i < len(stus):
    print(stus[i])
    i += 1 

 

stus = ['wukong','bajiang','shahesan','tenglao','jjg']

print('old: ',stus)

for s in stus:
    print(s)