I have to extract particular paragraphs starting from "SUBSTITUTION OF TRUSTEE" and ending with "under said Deed of Trust".

1. since the field is repeated need to find data only within paragraphs.
2. data might be like date, document num etc

```
sample.txt
Inst #: 2021
Fees: $42.00

06/24/2021 06:54:48 AM
Receipt #: 4587188

Requestor:
FINANCIAL CORPORATION OF
After recording return to: Src: MAIL

Mail Tax Statements to:

SUBSTITUTION OF TRUSTEE
AND DEED OF RECONVEYANCE

The undersigned, Financial Corporation of Nevada, a Nevada Corporation, as the Owner and
Holder of the Note secured by Deed of Trust dated March 1, 2013 made by Elvia Bello, Trustor, to
Official Records -- HEREBY substitutes Financial Corporation of Nevada, a Nevada Corporation,
as Trustee in lieu of the Trustee therein.

Said Note, together with all other indebtedness secured by said Deed of Trust, has been fully paid 
satisfied; and as successor Trustee, the undersigned does hereby RECONVEY WITHOUT
WARRANTY TO THE PERSON OR PERSONS LEGALLY ENTITLED THERETO, all the estate now
held by it under said Deed of Trust.
This JNO aay of June 2021,
Financial Corporation
wy luo Rtn rae

```

```
import re
mylines = []

pattern = re.compile(r"SUBSTITUTION OF TRUSTEE", re.IGNORECASE)
with open(r'sample.txt', 'rt', encoding='utf-8') as myfile:
    for line in myfile:                 
            mylines.append(line)
    for line in mylines:
        if(line == "SUBSTITUTION OF TRUSTEE "):
            print(line)
            break
        else:
            mylines.remove(line)

    print("my lines",mylines)

```