support multi-modem pools

main.py

@@ -60,9 +60,7 @@ def init_modems() -> list:
     return modems
 
 
-def start_book():
-    start_slot_number = 14
-    end_slot_number = 15
+def start_book(start_slot_number, end_slot_number):
     slot_list = list(range(start_slot_number, end_slot_number + 1))
     random.shuffle(slot_list)
     for i in slot_list:
@@ -124,4 +122,4 @@ def get_proxy(phone_number):
 
 
 if __name__ == '__main__':
-    start_book()
+    start_book(25, 28)