Project Euler Solutions Added.

Project Euler/Problem 07/sol1.py

@@ -0,0 +1,29 @@
+'''
+By listing the first six prime numbers:
+2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
+What is the Nth prime number?
+'''
+from math import sqrt
+def isprime(n):
+    if (n==2):
+        return True
+    elif (n%2==0):
+        return False
+    else:
+        sq = int(sqrt(n))+1
+        for i in range(3,sq,2):
+            if(n%i==0):
+                return False
+    return True
+n = int(input())
+i=0
+j=1
+while(i!=n and j<3):
+    j+=1
+    if (isprime(j)):
+        i+=1
+while(i!=n):
+    j+=2
+    if(isprime(j)):
+        i+=1
+print j