Alexej Simakov

entered = str(input('Enter the string: '))

def check_spec_characters(inp):
    symbols = "[ ~`!@#$%^&*()_-+={}[]:>;',</?*-+ ]"
    for symbol in symbols:
        print (symbol+" in "+inp+" = "+ str((symbol in inp)))   

print (check_spec_characters(entered))

tokens = input().split()

result = {}
for tkn in tokens:
  cnt = tokens.count(tkn)
  result[tkn] = cnt

print(result)

config = "1 2 3 4 5 6"
substitutions = {"2":"7", "3":"6"}
def replace_all(text, dic):
    for i, j in dic.iteritems():
        text = text.replace(i, j)
    return text

print replace_all(config, substitutions)

Я беру поле номером 1

	 O | X | X
	 ----------
	   | X | O
	 ----------
	 O |   | X
Твой ход. выбери одно из полей (0 - 8):  3
ладно...

	 O | X | X
	 ----------
	 O | X | O
	 ----------
	 O |   | X
Я беру поле номером 7

	 O | X | X
	 ----------
	 O | X | O
	 ----------
	 O | X | X
ничья
ничья

if quality:
  my_file.write(quality)
else:
  raise ValueError("no value")

class Node:
  def __init__(self, value):
    self.value = value
    self.left = None
    self.right = None
  
  def __str__(self):
    return self.value

r'''

A-B
 \
  C - E
   \
    D

'''

root = Node("A")
root.left = Node("B")
root.right = Node("C")
root.right.right = Node("D")
root.right.left = Node("E")


def iot(node):
  if node is not None:
    iot(node.left)
    print node
    iot(node.right)
  
iot(root)

#каждое условие отдельно
isGreaterThanFive = lambda x: x >5
isSmallerThanTen = lambda x: x<10

# или в виде комбинированого условия
matches_criteria_1 = lambda v: v >5 and v<10

n = 4
if (isGreaterThanFive(n) and isSmallerThanTen(n)):
  print "matches"
else:
  print "dont match"

v = 9
if (matches_criteria_1(v)):
  print "matches"
else:
  print "dont match"