python基础试题

• Z时代
• 2024-01-10
• 分类：综合

\'\'\'
打印三角行；------------
lines = int(input(\'请输入行数:\'))
for i in range(lines):
    for j in range(i):
        print("*",end= \' \')
    print()

\'\'\'

\'\'\'
打印倒立三角行；
lines = int(input(\'请输入行数:\'))

for i in range(lines):
    j = 0
    while j < lines-i:
        print("*",end= \' \')
        j += 1
    print()
\'\'\'

# 打印九九乘法表---------------------
\'\'\'
i = 1
while i <= 9:
    j = 1
    while j <= i:
        print(\'%d * %d = %d\' %(j,i,j*i),end= \' \')
        j += 1
    i += 1
    print()
\'\'\'

# # 求1000以内的水仙花数--------------------
\'\'\'
for i in range(100,1000):
    m = i // 100
    n = i // 10 % 10
    p = i % 10
    if (m ** 3) + (n ** 3) +(p ** 3) == i:
        print(i,end=\',\')
\'\'\'

# 求1-100以内所有偶数的和------------------
\'\'\'
sum = 0
i = 1
while i <= 100:
    if i % 2 == 0:
        sum += i
    i += 1
print(sum)


# 获取用户输入的任意数，判断其是否是质数?-----------------
num1 = int(input(\'请输入一个整数\'))
i = 2
while i < num1:
    if num1 % i == 0:
        print(num1,"不是质数")
        print(i,"*",num1//i,"是",num1)
        break
    i += 1
else:
    print(num1,"是质数")


\'\'\'

# n = int(input("请输入一个数字：")) # ------------

\'\'\'
j = 2
while j < n:
    if n % j == 0:
        print(n,\'不是质数\')
        print(j,"*",n//j,\'是\',n)
        break
    j += 1
else:
    print(n,"是质数")

\'\'\'

# 打印出100 以内的质数 ------------------
\'\'\'
num = []
j = 2
for i in range(2,100):
    for j in range(2,i):
        if i % j == 0:
            break
    else:
        num.append(i)
print(num)

\'\'\'

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