随机密码
import random
ls = []
for i in range(26):
n = 97
n += i
ls.append(chr(n))
for i in range(26):
n = 65
n += i
ls.append(chr(n))
for i in range(9):
n = 49
n += i
ls.append(chr(n))
for j in range(10):
for i in range(8):
n = random.choice(ls)
print(n,end = '')
print()
重复元素判定1
def jug(ls):
for i in range(1,len(ls)):
for j in range(i):
if ls[i] == ls[j]:
return True
return "无重复！"
s = [1,2,4,5,6,66,'a','f','d',]
print(jug(s))
2
s = [1,2,4,5,6,66,'a','f','d',1]
n = set(s)
if len(s) == len(n):
print("无重复！")
else:
print("有重复！")