access_template = [
    "switchport mode access",
    "switchport access vlan",
    "spanning-tree portfast",
    "spanning-tree bpduguard enable",
]

trunk_template = [
    "switchport trunk encapsulation dot1q",
    "switchport mode trunk",
    "switchport trunk allowed vlan",
]

access = {"0/12": "10", "0/14": "11", "0/16": "17", "0/17": "150"}
trunk = {"0/1": ["add", "10", "20"], "0/2": ["only", "11", "30"], "0/4": ["del", "17"]}

for intf, vlan in access.items():
    print("interface FastEthernet" + intf)
    for command in access_template:
        if command.endswith("access vlan"):
            print(f" {command} {vlan}")
        else:
            print(f" {command}")


for intf, value in trunk.items():
    print ("interface FastEthernet" + intf)
    action = value[0]
#    print (value)
    for command in trunk_template:
        if command.endswith('allowed vlan'):
            vlans = ",".join(value[1:])
#            print (action)
            if action == "add":
                print(f" {command} add {vlans}")
            elif action == "only":
                print(f" {command} {vlans}")
            elif action == "del":
                print(f" {command} remove {vlans}")
        else:
            print(f" {command}")