exam pull okey

exam.py

@@ -0,0 +1,46 @@
+# Python program to accept the strings
+# which contains all the vowels
+
+# Function for check if string
+# is accepted or not
+def check(string) :
+
+	string = string.lower()
+
+	# set() function convert "aeiou"
+	# string into set of characters
+	# i.e.vowels = {'a', 'e', 'i', 'o', 'u'}
+	vowels = set("aeiou")
+
+	# set() function convert empty
+	# dictionary into empty set
+	s = set({})
+
+	# looping through each
+	# character of the string
+	for char in string :
+
+		# Check for the character is present inside
+		# the vowels set or not. If present, then
+		# add into the set s by using add method
+		if char in vowels :
+			s.add(char)
+		else:
+			pass
+
+	# check the length of set s equal to length
+	# of vowels set or not. If equal, string is
+	# accepted otherwise not
+	if len(s) == len(vowels) :
+		print("Accepted")
+	else :
+		print("Not Accepted")
+
+
+# Driver code
+if __name__ == "__main__" :
+
+	string = "SEEquoiaL"
+
+	# calling function
+	check(string)

okey.py

@@ -0,0 +1,5 @@
+def factorial(n):
+    if n == 0 or n == 1:
+        return 1
+    else:
+        return n * factorial(n-1)