Create Python Program for factorial of a number
diff --git a/Python Program for factorial of a number b/Python Program for factorial of a number
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+Factorial of a non-negative integer, is multiplication of all integers smaller than or equal to n. For example factorial of 6 is 6*5*4*3*2*1 which is 720.
+
+Recursive:
+# Python 3 program to find  
+# factorial of given number 
+def factorial(n): 
+      
+    # single line to find factorial 
+    return 1 if (n==1 or n==0) else n * factorial(n - 1);  
+  
+# Driver Code 
+num = 5; 
+print("Factorial of",num,"is", 
+factorial(num)) 
+Iterative:
+# Python 3 program to find   
+# factorial of given number 
+def factorial(n): 
+    if n < 0: 
+        return 0
+    elif n == 0 or n == 1: 
+        return 1
+    else: 
+        fact = 1
+        while(n > 1): 
+            fact *= n 
+            n -= 1
+        return fact 
+  
+# Driver Code 
+num = 5; 
+print("Factorial of",num,"is", 
+factorial(num)) 

Recursive:
# Python 3 program to find  
# factorial of given number 
def factorial(n): 
      
    # single line to find factorial 
    return 1 if (n==1 or n==0) else n * factorial(n - 1);  
  
# Driver Code 
num = 5; 
print("Factorial of",num,"is", 
factorial(num)) 