7-1 产生每位数字相同的n位数 (30 分)

a,b = map(int, input().split(","))
for i in range(1, b+1):
    print(a, end="")

7-2 输出10个不重复的英文字母 (50 分)

s = input()
count = 0
data = []
for i in range(len(s)):
    if  s[i].isalpha() and ("a"<=s[i]<="z" or "A"<=s[i]<="Z"):
        if s[i].upper() not in data and s[i].lower() not in data:
            count += 1
            data.append(s[i])
            if count == 10:
                break
if count == 10:
    for i in data:
        print(i,end="")
else:
    print("not found")

7-5 jmu-python-求三角形面积及周长 (10 分)

import math

a = eval(input())
b = eval(input())
c = eval(input())
s = (a+b+c)/2
area = math.sqrt(s*(s-a)*(s-b)*(s-c))
perimeter = a+b+c
print('area={:.2f};perimeter={:.2f}'.format(area, perimeter))

7-4 jmu-python-是否偶数 (10 分)

n = eval(input())
if (n % 2 == 0):
    print("{}是偶数".format(n))
else:
    print("{}不是偶数".format(n))

7-3 转换函数使用 (30 分)

a, b = input().split(",")
print(int(a, eval(b)))

7-6 重要的事情说N遍 (20 分)

n = input()
num = eval(input())
for i in range(1, num+1):
    print(n+"!", end="")

7-7 计算M和N的多个结果 (10 分)

m = eval(input())
n = eval(input())
print(m+n, end=" ")
print(m*n, end=" ")
print(m**n, end=" ")
print(m%n, end=" ")
if m > n:
    print(m)
else:
    print(n)

7-8 计算 11+12+13+…+m (30 分)

m = eval(input())
sum = 0
for i in range(11, m+1):
    sum += i
print("sum = {}".format(sum))

7-9 找出最大值和最小值 (10 分)

a = list(map(int, input().split(" ")))
n = len(a)
a.sort()
print("Max={}".format(a[n-1]))
print("Min={}".format(a[0]))