print("please input your name！");
print("周凌志");
print("Hello!"+ ","+ "周凌志"+"！");


import random
b=int(input("请输入你的参数："))
while b>0:
    print(random.randint(0,100))
    b-=1



a=str(input("请输入字符串："))
print("字符串的长度是："+ str(len(a)))
print("字符串的前两个字符："+a[0:2])
print("字符串的后两个字符："+a[(len(a)-2):len(a)])
print("不包括最后一个字符的字符串："+a[(len(a)-3):(len(a)-1)])


import csv
d_1="周凌志"
d_2="0228200139"
d_3="20大数据1班"
d_4="161"
d_5="47"
d_6="20"
output_list = [d_1,d_2,d_3,d_4,d_5,d_6]
with open('test1.csv','a+',encoding='UTF-8',newline='') as csvfile:
    w = csv.writer(csvfile)
    w.writerow(output_list)