Best Python code snippet using keyboard
challenge01.py
Source:challenge01.py
...67import string8import unittest910def map_char(c):11 if not (c.isalpha() and c.islower()):12 return c13 a = ord('a')14 # map the character as c+215 mc = (ord(c) - a + 2) % 26 + a16 return chr(mc)17 1819data = "g fmnc wms bgblr rpylqjyrc gr zw fylb. rfyrq ufyr amknsrcpq ypc dmp. bmgle gr gl zw fylb gq glcddgagclr ylb rfyr'q ufw rfgq rcvr gq qm jmle. sqgle qrpgle.kyicrpylq() gq pcamkkclbcb. lmu ynnjw ml rfc spj."20print "".join([map_char(x) for x in data ])212223intab = "".join([chr(x) for x in range(ord('a'), ord('z')+1)])24outtab = "".join([map_char(x) for x in intab])25transtab = string.maketrans(intab, outtab)2627print data.translate(transtab)2829url = "http://www.pythonchallenge.com/pc/def/map.html"30print url.translate(transtab)313233# run unit test34class TestMapChar(unittest.TestCase):35 36 def setUp(self):37 print "setUp ..... "38 39 40 def test_simple(self):41 # usual case42 self.assertEqual(map_char('a'), 'c')43 self.assertEqual(map_char('c'), 'e')44 self.assertEqual(map_char('p'), 'r')45 46 # surpass case47 self.assertEqual(map_char('y'), 'a')48 self.assertEqual(map_char('z'), 'b')49 50 # not in scope51 self.assertEqual(map_char('@'), '@')52 self.assertEqual(map_char('*'), '*')53 self.assertEqual(map_char('9'), '9')54 self.assertEqual(map_char('/'), '/')55 56 def tearDown(self):57 print "tearDown .... "58
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main.py
Source:main.py
1def max_char(string):2 map_char = {}3 max_num = 04 max_num_char = ""5 for letter in string:6 map_char[letter] = map_char[letter] + 1 if letter in map_char else 17 if map_char[letter] > max_num:8 max_num = map_char[letter]9 max_num_char = letter10 # if letter not in map_char:11 # map_char[letter] = 112 # else:13 # map_char[letter] += 114 # for letter in map_char:15 # if map_char[letter] > max_num:16 # max_num = map_char[letter]17 # max_num_char = letter18 return max_num_char...
Longest_Substring_Without_Repeat_Char.py
Source:Longest_Substring_Without_Repeat_Char.py
1# 11 July 20212class Solution:3 def lengthOfLongestSubstring(self, s: str) -> int:4 res=15 i=06 map_char= dict()7 if len(s)==0:8 return 09 map_char[s[i]] = 010 for j in range(1,len(s)):11 try:12 if str(map_char[s[j]]):13 if map_char[s[j]]<i:14 pass15 else:16 i= map_char[s[j]]+117 map_char[s[j]]= j18 except:19 map_char[s[j]] = j20 res= max(res, j-i+1)...
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