任务:1
#Print Numbers #Write a program to print numbers from 1 to 10 using a while loop. def print_numbers(num): no=1 while no<=num: print(no,end=' ') no+=1 print_numbers(10)
输出:
1 2 3 4 5 6 7 8 9 10
任务:2
#Sum of N Numbers #Write a program to calculate the sum of the first NN natural numbers using a while loop. def nat_num(N): sum = 0 natural_no = 1 while natural_no <= N: sum += natural_no natural_no += 1 return sum N = int(input("Enter the no: ")) print(nat_num(N))
输出:
Enter the no: 10 Sum of 10 natural numbers are 55
任务:3
#Find even numbers between 1 to 50 def even_number(num): no=2 while no<=num: print(no, end=" ") no+=2 num=int(input("Enter the number: ")) even_number(num)
输出:
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
任务:4
#Find odd numbers between 1 and NN def odd_number(num): no=1 while no<=num: print(no, end=" ") no+=2 num=int(input("Enter the number:")) odd_number(num)
输出:
Enter the number:15 1 3 5 7 9 11 13 15
任务:5
#Multiplication table of number NN #NN-2 no=1 while no<=10: print(f'{no}*2={no*2}') no+=1
输出:
1*2=2 2*2=4 3*2=6 4*2=8 5*2=10 6*2=12 7*2=14 8*2=16 9*2=18 10*2=20
阶乘:
编写一个程序,使用 while 循环计算给定数字的阶乘。
案例1
no = 1 factorial = 1 factorial = factorial * no #1 no = no+1 #2 factorial = factorial * no #2 no = no+1 #3 factorial = factorial * no #6 no = no+1 #4 factorial = factorial * no #24 no = no+1 #5 factorial = factorial * no #120 print(factorial)
案例2
def find_factorial(num): no=1 factorial=1 while no<=num: factorial=factorial*no no+=1 return factorial num=int(input("Enter the number:")) print(find_factorial(num))
对于场景输出将是相同的
输出:
Enter the number:5 120
数字总和:
求给定数字的数字之和(例如,123 → 1 2 3=61 2 3=6)。
def sum_of_digits(num): sum=0 while num>0: sum=sum+num%10 num=num//10 return sum num=int(input("Enter the number:")) print(sum_of_digits(num))
输出:
Enter the number:123 6
数数字
计算给定数字的位数(例如,12345 → 5 位数字)。
def count_of_digits(no): count=0 while no>0: no=no//10 count+=1 return count no=int(input("Enter the number:")) print(count_of_digits(no))
输出:
Enter the number:12345 5
反转数字
反转数字
def reverse_no(num): reverse = 0 while num>0: reverse = (reverse*10) + num%10 num = num//10 return reverse print(reverse_no(1234))
输出:
Enter the number:12345 54321
检查回文
检查给定的数字是否是回文(例如,121→回文,123→不是回文)。
def palindrome(num): count=0 while num>0: count=count*10+num%10 num=num//10 return count num=int(input("Enter the number:")) result=palindrome(num) if result==num: print("Palindrome") else: print("Not palindrome")
输出:
Enter the number:121 Palindrome Enter the number:123 Not palindrome
寻找力量
def find_power(base,power): result=1 while power>=1: result=result*base power-=1 return result base=int(input("Enter the base number:")) power=int(input("Enter the power number:")) result=find_power(base,power) print(result)
输出:
Enter the base number:5 Enter the power number:2 25
阿姆斯特朗数
示例:
def count_of_digits(num): count=0 while num>0: num=num//10 count+=1 return count def find_power(base,power): result=1 while power>=1: result=result*base power-=1 return result def find_armstrong(num): armstrong=0 while num>0: rem=num%10 result= find_power(rem,count) armstrong=armstrong+result num=num//10 return armstrong num=int(input("Enter the number:")) count=count_of_digits(num) armstrong_result=find_armstrong(num) if armstrong_result==num: print("Armstrong") else: print("Not armstrong")
输出:
Enter the number:135 Not armstrong Enter the number:153 Armstrong
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