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python - 将python字符串输出导出到记事本

问题描述

我正在尝试在第 19 行和第 20 行将字符串输出导出到记事本。

代码部分，第 1-21 行

1    import ipaddress
2    import socket
3    import sys
4    import os
5    
6    #networx prefix calc
7    def f1():
8        try:
9            network = input('please input network address with the prefix: ')
10           network = ipaddress.ip_network(network)
11           print(network)
12   
13       except ValueError:
14           print('That is not a network address')
15   
16       iplist= list(ipaddress.ip_network(network).hosts())
17       for i in range(10,len(iplist),2):
18           print(iplist[i])
19   
20       notepad1 = open('oddnetworks.txt','w')
21       notepad1.write(iplist)

这是我的输出，它是一个奇数 IP 地址范围。请向下滚动到输出的底部以查看错误。

我收到的错误是TypeError: write() argument must be str, not list I don't know how, 将第 21 行转换为字符串。

输出

Please enter 'network' to calculate odd number IP address ranges
Please enter 'port' to scan ports 19-81
to exit this program, enter 'exit'
note; due to performance issues, you may have to input your choice twice
please input your choice:  network
please input your choice:  network
please input network address with the prefix: 182.168.2.0/24
182.168.2.0/24
182.168.2.11
182.168.2.13
182.168.2.15
182.168.2.17
182.168.2.19
182.168.2.21
182.168.2.23
182.168.2.25
182.168.2.27
182.168.2.29
182.168.2.31
182.168.2.33
182.168.2.35
182.168.2.37
182.168.2.39
182.168.2.41
182.168.2.43
182.168.2.45
182.168.2.47
182.168.2.49
182.168.2.51
182.168.2.53
182.168.2.55
182.168.2.57
182.168.2.59
182.168.2.61
182.168.2.63
182.168.2.65
182.168.2.67
182.168.2.69
182.168.2.71
182.168.2.73
182.168.2.75
182.168.2.77
182.168.2.79
182.168.2.81
182.168.2.83
182.168.2.85
182.168.2.87
182.168.2.89
182.168.2.91
182.168.2.93
182.168.2.95
182.168.2.97
182.168.2.99
182.168.2.101
182.168.2.103
182.168.2.105
182.168.2.107
182.168.2.109
182.168.2.111
182.168.2.113
182.168.2.115
182.168.2.117
182.168.2.119
182.168.2.121
182.168.2.123
182.168.2.125
182.168.2.127
182.168.2.129
182.168.2.131
182.168.2.133
182.168.2.135
182.168.2.137
182.168.2.139
182.168.2.141
182.168.2.143
182.168.2.145
182.168.2.147
182.168.2.149
182.168.2.151
182.168.2.153
182.168.2.155
182.168.2.157
182.168.2.159
182.168.2.161
182.168.2.163
182.168.2.165
182.168.2.167
182.168.2.169
182.168.2.171
182.168.2.173
182.168.2.175
182.168.2.177
182.168.2.179
182.168.2.181
182.168.2.183
182.168.2.185
182.168.2.187
182.168.2.189
182.168.2.191
182.168.2.193
182.168.2.195
182.168.2.197
182.168.2.199
182.168.2.201
182.168.2.203
182.168.2.205
182.168.2.207
182.168.2.209
182.168.2.211
182.168.2.213
182.168.2.215
182.168.2.217
182.168.2.219
182.168.2.221
182.168.2.223
182.168.2.225
182.168.2.227
182.168.2.229
182.168.2.231
182.168.2.233
182.168.2.235
182.168.2.237
182.168.2.239
182.168.2.241
182.168.2.243
182.168.2.245
182.168.2.247
182.168.2.249
182.168.2.251
182.168.2.253
Traceback (most recent call last):
  File "C:\Users\shane\PycharmProjects\RodCertIV\ITCNWK409.py", line 58, in <module>
    f1()
  File "C:\Users\shane\PycharmProjects\RodCertIV\ITCNWK409.py", line 21, in f1
    notepad1.write(iplist)
TypeError: write() argument must be str, not list

我想要程序将奇数主机 IP 地址的输出保存到记事本文件中。

任何帮助将不胜感激:)

完整的测试代码

import ipaddress
import socket
import sys
import os

#networx prefix calc
def f1():
    try:
        network = input('please input network address with the prefix: ')
        network = ipaddress.ip_network(network)
        print(network)

    except ValueError:
        print('That is not a network address')

    iplist= list(ipaddress.ip_network(network).hosts())
    for i in range(10,len(iplist),2):
        print(iplist[i])

    notepad1 = open('oddnetworks.txt','w')
    notepad1.write(iplist)



#port scan
def f2():
    s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    target = input("what website to scan?: ")
    def pscan(port):
        try:
            con = s.connect((target, port))
            return True
        except:
            return False
    for x in range(19,82):
        if pscan(x) > pscan(int(x)):
            print("port ",x," is open")
        else:
            print("port ",x," is closed")


def f3():
    sys.exit()


#user input
print("Please enter 'network' to calculate odd number IP address ranges")
print("Please enter 'port' to scan ports 19-81")
print("to exit this program, enter 'exit'")
print("note; due to performance issues, you may have to input your choice twice")

q1= input("please input your choice:  ")

valid_input = False
while not valid_input:
    q1 = input("please input your choice:  ")
    if q1 == "network":
        f1()
        valid_input = True
    if q1 == "port":
        f2()
        valid_input = True
    elif q1 == "exit":
        f3()
        valid_input = True
    else:
        print("incorrect input, try again")

标签： pythonstringnotepad

解决方案

您不需要自己编写显式循环。print()可以为您处理：

with open('oddnetworks.txt','w') as notepad1:
    print(*iplist, file=notepad1, sep='\n')

这将解包列表，*用于将列表中的每个项目作为单独的参数传递给print(). 使用 设置输出文件file，每个项目用新行分隔。

还要注意使用with来打开文件，以保证它被关闭。

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