Question

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➡️ Python Program to Find Factorial of Number Using Recursion.

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Answer 1

Answer:

Explanation:

def recur_factorial(n):  

  if n == 1:  

      return n  

  else:  

      return n*recur_factorial(n-1)  

num = int(input("Enter a number: "))  

if num < 0:  

  print("Sorry, factorial does not exist for negative numbers")  

elif num == 0:  

  print("The factorial of 0 is 1")  

else:  

  print("The factorial of",num,"is",recur_factorial(num))  

Answer 2

$\huge \purple{ \underline{ \boxed{ \red{ \mathbb{ANSWER : }}}}}$

$\red{ \textsf{n=int(input("Enter number to find factorial : "))}}$

$\red{ \textsf{fact=1}}$

$\red{ \textsf{for i in range(1,n+1):}}$

$\red{ \textsf{ \: \: \: \: fact=fact*i}}$

$\red{ \textsf{print("Factorial of ",n,"is",fact)}}$

$\large \green{ \underline{ \underline{ \mathbb{KNOW \: MORE :}}}}$

$\large\orange{ \textsf{for}}$

for is the keyword in python which is used to form a loop whose definite length is known , it does not takes the last value . For example , the above loop will run till the number 'n' entered by the user and not till 'n+1' .

$\large\orange{ \textsf{print}}$

print is the keyword in python programming language . It print anything which is written within it .

$\large\orange{ \textsf{input}}$

input takes the input from the user in the form of string .

$\large\orange{ \textsf{int}}$

int converts the input into integer form .