def make_text_list(postings_dict, first_n_postings=100):
    """
    Extract the texts from postings_dict into a list of strings
    
    Parameters:
        postings_dict:  
        first_n_postings:  
    
    Returns:
        text_list: list of job posting texts
    
    """
    
    text_list = []
    for i in range(0, first_n_postings+1):
        # Since some number could be missing due to errors in scraping, 
        # handle exception here to ensure error free
        try:
            text_list.append(postings_dict[str(i)]['posting'])
        except:
            continue        
    
    return text_list