After a seperator there is a key in loop. How to keep it?

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---------------------------
CompanyID: 000000000000
Pizza: 2   3.15    6.30
spaghetti:  1   7    7
ribye: 2  40  80
---------------------------
CompanyID: 000000000001
burger: 1   3.15    6.30
spaghetti:  1   7    7
ribye: 2  40  80
--------------------------

I'm doing a for loop over a list of lines. Every line is an item of a list. I need to keep the companyID while looking for a user input.

While this is printing the variable x=True. I cant take company ID to print it.

a='-'
for line in lines:
    if a in line:
        companyID= next(line)

    if product in line:
        x=True
TypeError: 'str' object is not an iterator

You can use your line seperator to identify when new data starts. Once you see the line with "----" then you can start collecing info in a new dictionary. for each line take its key and value by splitting on ":" and create the entry in the dictionary.

When you see the next "----" line you know thats the end of the data for this company so then do your check to see if they have the product and if so print the company id from the dictionary.

line_seperator_char = '-'
company_data = {}
product = 'burger'

with open('data.dat') as lines:
    for line in lines:
        line = line.rstrip()
        if line.startswith(line_seperator_char):
            if product in company_data:
                print(f'{company_data["CompanyID"]} contains the product {product}')
            company_data = {}
        else:
            key, value = line.split(':')
            company_data[key] = value

OUTPUT

 000000000001 contains the product burger

How to add separator to each item in for loop expect last one, Instead of inserting coma inside loop you can use standard javascript function JOIN var results = Array(); for (key in keywords){ if (keywords[key] >� This does work for a specific delimiter for a specific amount of characters between the delimiter. I had many issues attempting to use this in a for each loop where the position changed but the delimiter was the same. For example I was using the backslash as the delimiter and wanted to only use everything to the right of the backslash.

No it doesnt run. Could you explain what does "[1] means near split()[1]? Another try that doesnt run is

y=[] y=lines[1].split(' ')

for line in lines:
    y=line.split(' ')
    if len(y[1])==10:
        companyID=y[1]
    if product in line:
        x=True

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Thanks for the answers.Something that finally worked in my case was that:

y=[]
y=line[1].split(' ')
a='-'
for line in lines:
    if line.startswith("CompanyID:"):
        y=line.split(' ')
        companyID=y[1]
    if product in line:
            x=True

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Comments
  • companyID= next(lines) try to use next for lines
  • whats your expected output
  • no there is the same problem i have tried it
  • also what is product defined as
  • while trying to find the product in line, i want to know whats the company id ..if there is a company iD and also i would try to know if there are many company id's
  • how to make line.startswith("CompanyID") if instead companyID would like to to put strings from greek characters?
  • sorry i didnt understnad your question
  • im saying what if the argument of the function startswith( ) wasnt english characters
  • word = "λόγος"; print(word.startswith("λό")) still prints True since the string does indeed start with these chars