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从.txt文件中读取文件并从中创建条件

[英]Reading from a .txt file and making conditions from it

client = input("What is your Client ID. CaSe SeNsItIvE")
file = open("clientIntensity.txt" , "r")
found = False
for line in file:
    if (client) in line:
      found = True

我要制作程序,以便如果他们输入正确的客户端ID,它将在给定的.txt文件中搜索ID。 找到后,它将打印6至14个字符(它们为“高”或“中等”)。 然后它将基于6-14个字符打印出一些内容。 到目前为止,我已经做了很多...谢谢! (Python 3.4.2)

如果您只想打印包含客户ID的行的第6至14个字符,则可以执行以下操作:

client = input("What is your Client ID. CaSe SeNsItIvE")
file = open("clientIntensity.txt" , "r")
for line in file:
    if client in line:
        print(line[5:13])
        break

(您使用5和13来获得第6-14个字符,因为第一个字符的编号为零)

编辑。 如果要根据第6-14个字符的内容打印内容,可以这样进行:

def get_security(filename, client_id):
    with open(filename, 'r') as f:
        for line in f:
            if client_id in line:
                return line[5:13]

client = input("What is your Client ID. CaSe SeNsItIvE")
security = get_security('clientIntensity.txt', client)
if security is None:
    print ("Client ID not found")
elif security.startswith('High'):
    print('Good')
elif security == 'Moderate':
    print('Bad')
else:
    print('There has been an error')

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