Python编程序？ python编写程序？
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1\u3001\u5b9e\u73b0\u6e90\u7801
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
#\u751f\u62101-20\u4e4b\u95f4\u7684\u6574\u6570
b = random.randint(1, 20)
a = buildRandomStr(b, 'P')
print(a)
2\u3001\u5b9e\u73b0\u7ed3\u679c
\uff081\uff09\u7ed3\u679c\u4e00\uff1a
TADQMRUZCAYPXGGGAA
1
\uff082\uff09\u7ed3\u679c\u4e8c\uff1a
CSHYQPOLEVPGTMIR
2
\uff083\uff09\u7ed3\u679c\u4e09\uff1a
LHMB
0
"""Python中九九乘法口诀表可以用行和列相乘的方法实现，具体代码如下："""
for i in range(1, 10): #设置行的数量
for j in range(1, i+1): #设置列的数量，第几行就输出几列
print("%s * %s = %s" % (j, i, i*j), end=' ') #用end=''参数控制换行
print() #消除end=''参数
"""Python计算1+2+…+9的结果,用for循环求和"""
s = 0
for i in range(10):
s = s + i
print(s)
#PS：注意Python中代码行的缩进关系
代码运行效果图
s=0
for i in range(10):
s+=i
print(s)
num=input(int("请输入一个大于0且小于10的整数："))
for i in range(1,10):
print(str(num)+"*"+str(i)+"="+str(num*i))
for i in range(1,10):
for j in range(1,i):
print(str(i)+"*"+str(j)+"="+str(i*j))
①range
②s+=i
③s
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