how to remove the runtime (NZEC) error in my python code? -

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i trying solve prime generator problem prime1 in spoj.com getting runtime error(nzec). problem needs take number of test cases , each test case, needs input 2 numbers in line each different test case , print output prime numbers in range of each number error runtime error time: 0.01 memory: 7736 signal:-1

    # code goes here  def is_prime(x):     if x<2:         return false     if x==2:         return true     y in range(2,x):         if x%y==0:             return false     return true t=int(raw_input()) mylist=[]  in range(0,t):     a=raw_input()     a=a.split(' ')     mylist.append(int(a[0]))     mylist.append(int(a[1])) k=0 while k<len(mylist):     c=mylist[k]     k+=1     d=mylist[k]     k+=1     z in range(c,d+1):         if is_prime(z):             print z     print

your issue raw_input() returns string , not integer. trying use directly in range() function - for in range(0,t) . range() function accepts integers arguments, need convert input int before using in range.

t=int(raw_input())

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