遍历输出数组内容

from timeit import default_timer as timer
import re
import csv

list=[1,2,3,4,5]

#写法1
tic = timer()
it = iter(list)
print (next(it))
print (next(it))
print (next(it))
print (next(it))
print (next(it))
toc = timer()
t1=(toc - tic)*1000

#写法2
tic = timer()
it = iter(list)
for x in it:
    print(x)
toc = timer()
t2=(toc - tic)*1000

#写法3
tic = timer()
for x in list:
    print(x)
toc = timer()
t3=(toc - tic)*1000

#输出结果到文件
with open('./test.csv', 'a+', newline='') as f:
    write = csv.writer(f, dialect=('excel'))
    write.writerow([t1,t2,t3])

输出结果

test.csv数据（输出结果）（单位：ms）：

写法1	写法2	写法3	最慢	最快
0.7239	0.5169	0.6416	写法1	写法2
1.2289	0.1798	0.1234	写法1	写法3
0.784	0.5699	0.2963	写法1	写法3
1.2771	0.9657	0.1996	写法1	写法3
0.7761	0.3015	0.1215	写法1	写法3
1.4325	0.1925	0.2194	写法1	写法2
1.0676	0.5579	0.1247	写法1	写法3
0.5855	0.557	0.4559	写法1	写法3
1.2121	0.5516	0.1104	写法1	写法3
0.8683	0.2364	0.3352	写法1	写法2
0.5498	0.5194	0.2774	写法1	写法3
0.7694	0.6182	0.3232	写法1	写法3
1.8129	0.4272	0.19	写法1	写法3
1.2881	0.417	0.1472	写法1	写法3
1.111	0.5601	0.1247	写法1	写法3
1.2219	0.6723	0.4791	写法1	写法3
1.2496	0.9729	0.4479	写法1	写法3
1.0822	0.3603	0.1768	写法1	写法3
1.1737	0.8287	0.3181	写法1	写法3
0.9987	0.7095	0.4038	写法1	写法3