Merge pull request #25 from Lakshita2002/branch-update-functions

Updated functions in project2.py

Author: yugeshk

project2.py

@@ -1,17 +1,35 @@
 def factorial(number_for_factorial):
 	# Add code here
 	# new comment vikaskok
-	return #Factorial number
+	if (number_for_factorial == 0):
+                ans = 1
+        else:
+                ans = number_for_factorial*factorial(number_for_factorial-1)
+	return ans #Factorial number
 
 
 def gcd(number_1, number_2):
     # Add code here
-    return #gcd value
+    if number_1 > number_2:
+            var = number_2
+    elif number_2 > number_1:
+            var = number_1
+
+
+    for i in range(1, var+1):
+            if((number_1 % i == 0) and (number_2 % i == 0)):
+                    ans = i
+    return ans #gcd value
 
 
 def is_palindrome(string_to_check):
 	# Add code here
-	return #boolean response
+	reverse_string = string_to_check[ : : -1]
+	if (string_to_check == reverse_string):
+                ans = True
+        else:
+                ans = False
+	return ans #boolean response
 
 
 #Take input for fib in variable a
@@ -26,4 +44,4 @@ def is_palindrome(string_to_check):
 
 #Take input for is_palindrome in variable d
 
-print(is_palindrome(d))
+print(is_palindrome(d))