Users random maker | Dev-Point

#Dev-Point =  Abdulxq
q = input("Enter the first letter : ")
x = 100
a = 1000
while x<=a:
    print ("x",x)
    x = x+1
    fh = open('users.txt', 'a')
    fh.write(q+str(x)+'\n')
    fh.close