set 1 and set 2 solutions

1_sum

@@ -0,0 +1,6 @@
+sum=0;
+for i in range(1,501):
+	if((i%5==0)and(i%7!=0)):
+		sum+=i;
+
+print (sum);

2_area

@@ -0,0 +1,3 @@
+l=6;b=8;h=10;
+a=(6*1.15*8*1.15*10*1.15);
+print (round(a,2));

3_alpha

@@ -0,0 +1,4 @@
+set1=["Ron","Hermione","Harry","Professor","Dobby"];
+set2=["The House Elf","Potter","Granger","Lockhart","Weasley"];
+set1.sort();
+print (set2+set1);

4_triplet

@@ -0,0 +1,6 @@
+for a in range(1, 1000):  
+     for b in range(a, 1000):  
+         c = 1000 - a - b  #as 
+         if c*c == a*a + b*b:  
+                 print (a*b*c)  
+                 break  

5_lcm

@@ -0,0 +1,15 @@
+def gcd(a, b):
+
+    while b:      
+        a, b = b, a % b
+    return a
+
+def lcm(a, b):
+
+    return a * b // gcd(a, b)
+
+x=1;
+
+for num in range(1,21):
+    	x=lcm(x,num);
+print(x);	

6_prime

@@ -0,0 +1,8 @@
+for number in range(1,100000+1):
+
+
+       for i in range(2,number):
+           if (number % i) == 0:
+               break
+       else:
+           print(number)

7_palindrome

@@ -0,0 +1,6 @@
+string1=input('enter the string\n'); #asking user for input 
+string2=string1[::-1]; #reversing the string
+if(string1==string2):  #checking if they're equal
+	print('entered string is palindrome'); 
+else:
+	print('entered string is not a palindrome');