ex_09_dict_adv.py

#line = line.translate(line.maketrans('', '', string.punctuation))
'''To count some items from mail-box'''

def count():
    find = 'from'
    fname = input('Enter the file name: ')
    try:
        fhand = open(fname)
    except:
        print('File cannot be opened: ', fname)
        exit()
    dict_w = {}    
    for line in fhand:
        line = line.rstrip()
        line = line.lower()
        if not line.startswith('{}'.format(find)): continue
        #print(line)  # from cwen@iupui.edu thu jan  3 16:23:48 2008
        words = line.split()
        #print(words) #['from', 'cwen@iupui.edu', 'thu', 'jan', '3', '16:23:48', '2008']
        if len(words) < 3: continue
        dict_w[words[1]] = dict_w.get(words[1], 0) + 1
    print(dict_w) # done!

    
   ##################################     

fhand = open('words.txt')
counts = {}
for line in fhand:
    #print(line) #  Writing programs or programming is a very creative
    words = line.split()
    #print(words) # ['Writing', 'programs', 'or', 'programming', 'is', 'a', 'very', 'creative']
    for word in words:
        #print(word) #  Writing
        counts[word] = counts.get(word, 0) + 1 #''' The dictionary counts is done there'''
        
bigcount = None
bigword = None
for word,count in counts.items():
    if bigcount is None or count > bigcount:
        bigword = word
        bigcount = count
print(bigword, bigcount)