2017-07-11 1 TO 3

Puzzle

begin-> http://www.pythonchallenge.com/pc/def/0.html

# -*- coding: utf-8 -*-
"""1"""
"""http://www.pythonchallenge.com/pc/def/map.html"""
 char_string = 'map'
 new_string = ''
 for char in char_string:
     if char != '.' and char != ' ':
         if ord(char) == 121:
             new_string += 'a'
         elif ord(char) == 122:
             new_string += 'b'
         else:
             charcode = ord(char) + 2
             new_char = chr(charcode)
             new_string += new_char
     else:
         new_string += char
 print(new_string)
"""2"""
"""http://www.pythonchallenge.com/pc/def/ocr.html"""
 dict_test = {}
 with open('/Users/saber/Desktop/untitled', 'r') as f:
     for line in f.readlines():
         for char in line:
             if char not in dict_test:
                 dict_test[char] = 1
             else:
                 dict_test[char] += 1
     dict_test = sorted(dict_test.items(), lambda x, y: cmp(int(x[1]), int(y[1])))
     print("pause")
"""3"""
"""http://www.pythonchallenge.com/pc/def/equality.html"""
with open('/Users/saber/Desktop/untitled', 'r') as f:
    new_string = ''
    for line in f.readlines():
        for char in line:
            if char.isupper():
                if 0 < len(new_string) < 4:
                    new_string += char
                elif 5 <= len(new_string) <= 7:
                    new_string += char
                else:
                    new_string = ''
            else:
                if len(new_string) == 4:
                    new_string += char
                elif len(new_string) == 8:
                    print new_string[4]
                    new_string = ''
                else:
                    new_string = char