Update main.py, mymodule.py files

main.py

+from mymodule import g 
+x = int(input())
+i = int(input())
+print(g(x,i))

mymodule.py

+from math import factorial
+ 
+def g(x,i):
+    f =0
+    for j in range(1,i+1):
+        a = (((factorial(j))/(factorial(2*j+1)))*(x**(2*j+1)))
+        f = f + a
+    return f