Merge pull request #640 from haru-02/master

happy_num

Author: geekcomputers

happy_num

@@ -0,0 +1,23 @@
+#isHappyNumber() will determine whether a number is happy or not    
+def isHappyNumber(num):    
+    rem = sum = 0;    
+        
+    #Calculates the sum of squares of digits    
+    while(num > 0):    
+        rem = num%10;    
+        sum = sum + (rem*rem);    
+        num = num//10;    
+    return sum;    
+        
+num = 82;    
+result = num;    
+     
+while(result != 1 and result != 4):    
+    result = isHappyNumber(result);    
+     
+#Happy number always ends with 1    
+if(result == 1):    
+    print(str(num) + " is a happy number");    
+#Unhappy number ends in a cycle of repeating numbers which contain 4    
+elif(result == 4):    
+    print(str(num) + " is not a happy number");