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1、实现源码
import random
def buildRandomStr(num, s):
da = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
sa = ''
k = 0
for i in range(num):
sa += random.choice(da)
print(sa)
for j in range(0, len(sa)):
if s == sa[j]:
k += 1
return k
#生成1-20之间的整数
b = random.randint(1, 20)
a = buildRandomStr(b, 'P')
print(a)
2、实现结果
(1)结果一:
TADQMRUZCAYPXGGGAA
1
(2)结果二:
CSHYQPOLEVPGTMIR
2
(3)结果三:
LHMB
0