Python While 循环教程 #Day3

While 循环上的任务：

1. 阿姆斯特朗数 第351章 3*3*3 5*5*5 1*1*1 27 125 1 第153话不是阿姆斯特朗数
2. 霓虹数字 霓虹灯数字是一个数字，其中该数字的平方的数字之和等于该数字。 9 --> 81 --> 8 1 = 9 是一个霓虹灯数字
3. 数字的阶乘 4 = 4！ = 4*3*2*1 = 24
4. 完美数字 数字除数之和（除了数字本身）返回相同的数字 ->完美数 6-1、2、3→ 1 2 3 = 6
5. 素数
6. 素数列表
7. Emirp 号码

#Armstrong

def Armstrong(count, Num):
    sum = 0
    i=0
    Out = Num
    while i<count: sum="sum" num="Num//10" i if out print else: a armstrong the num: count="0" while>=1:
    Num = Num//10
    count+=1
print('count :',count,' ')
Armstrong(count, out)


#Neon Number

Num = int(input("Enter the num:"))
Square = Num*Num
Neon = Num
Sum = 0
print(Square)
while Square >=1:
        Sum = Sum + (Square%10)
        Square = Square//10
if(Sum == Num):    
    print(Num,'Neon Number')
else:
    print(Num,'Not a Neon Number')



# Factorial of a Number

Num = int(input('Enter the Num:'))
Fact = 1
while Num>=1:
    Fact = Fact * Num
    Num = Num-1
print('Factorial:', Fact)

#Perfect Number

Num = int(input('Enter the number:'))
i = 1
sum = 0
while i<num: if sum="sum" i num print a perfect number else: not the num: prime="1">1:
    while i<num: if prime="0" i print a number else: not valid num of numbers the num: j="2">1:
    while j 1:
        while i<num: if prime="0" i return num="int(input('Enter" the num: isprime="isPrimeNumber(Num)" rev_num="0" rev="Num" while>=1:
            rev_Num = rev_Num *10 + Num%10
            Num = Num//10
    print(rev_Num)
    isPrime = isPrimeNumber(rev_Num)
    if(isPrime ==1):
        print(rev,'is a Emirp Number')
    else:
        print(rev,'is not a Emirp Number')
else:
    print(Num,'is not a Emirp Number')



</num:></num:></num:></count:>

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