import random
import secrets
list1=[]
x=0
for x in range(0,101):
list1.append(random.randit(0,100))
a=len(list1)
print(list1)
i=0
if(list1.count(39)==0):
print('39不存在')
else:
print(list1.count(39))
for i in range(0,a-1):
if (39 == list1[i]):
print(i+1)