ArieBeresteanu

import pandas as pd
import requests
import json
from typing import List

def multiSeries(
  varList: List[str], 
  myKey: str, 
  first:str ='2020', 
  last: str ='2025',

ArieBeresteanu

def readJSONfile(fname):
    
    #first, check if fname is a string
    if type(fname) == str:  # the input is of type string 
        
        #second, check if a file of the name fname exists
        if os.path.exists(fname): # a file of the name strored in fname exists
            
            # we can now open the file
            f = open(fname)    # f is of type _io.TextIOWrapper

ArieBeresteanu

def extract_substring(text, start_marker, end_marker):
    """
    Extracts a substring from 'text' that starts with the first occurrence of 
    'start_marker' and ends with the first occurrence of 'end_marker' right after it.
    
    Parameters:
    - text (str): The text from which to extract the substring.
    - start_marker (str): The marker indicating the start of the substring.
    - end_marker (str): The marker indicating the end of the substring.
    

ArieBeresteanu

def multiSeries(varList,myKey,first='2018',last='2023'):
    """
    Takes a list of variables and a key and makes a post request to the BLS.
    
    - Input: varList = a list of strings containing the series names
    - Input: myKey =  a string containing your BLS API key
    - Input: first = (optional) a string representing the starting year (integer)
    - Input: last = (optional) a string representing the last year (integer)
    - Output: new_df = a data frame containing the data collected