# print('abc',end='\n')
# print('abc')
#
# def func (a, b, c):
#     print('a= %s' %a)
#     print('b= %s' %b)
#     print('c= %s' %c)
#
#
# func(1, c=3)



# # 取得参数的个数
# def  howlong(first, *other):
#     print( 1 + len(other))
#
# howlong()

#
# var1 = 123
#
# def func():
#     global var1
#     var1 = 456
#     print(var1)
#
#
#
# func()
# print(var1)

# iter() next()

# list1 =[1, 2, 3]
# it = iter(list1)
# # print( next(it))
# # print( next(it))
# # print( next(it))
# # print( next(it)) # except
# #
#
#
#
# # for i in range(10,20,0.5):
# #     print(i)
# #
# # def frange(start, stop, step):
# #     x = start
# #     while x < stop:
# #         yield x
# #         x += step
# #
# #
# # for i in frange(10,20,0.5):
# #     print(i)
# #
# #
# #
# #
# #
# #
# # def true():return True
# # lambda : True
# #
# #
# # >>> def add(x,y):
# # ...     return x+y
# # ...
# #
# # >>> def add(x,y): return x+y
# # lambda  x,y: x+y
# #
# #
# # >>> add(3,5)
# # 8
# # >>>
#
#
#
# # lambda  x:x<= (month, day)
# #
# # def func1(x):
# #     return  x<= (month, day)
# #
# #
# #
# # lambda  item:item[1]
# #
# # def func2(item):
# #         return item[1]
# #
# #
# # filter() map() reduce() zip()
# #
#
#
# a=[1,2,3,4,5,6,7]
# list(filter(lambda x:x>2 , a))
#
# >>> help(filter)
#
# >>> a=[1,2,3,4,5,6,7]
# >>> list(filter(lambda x:x>2 , a))
# [3, 4, 5, 6, 7]
# >>> help(map)
#
# >>> a=[1,2,3]
# >>> map(lambda x:x ,a)
# <map object at 0x105686e10>
# >>> list(map(lambda x:x ,a))
# [1, 2, 3]
# >>> list(map(lambda x:x+1 ,a))
# [2, 3, 4]
# >>> b=[4,5,6]
# >>> list(map(lambda x,y:x+y ,a,b))
# [5, 7, 9]
# >>>
# >>>
# >>>
# >>>
# >>>
# >>> [1, 2, 3]
# [1, 2, 3]
# >>> [4, 5, 6]
# [4, 5, 6]
# >>> help(reduce)
# Traceback (most recent call last):
#   File "<stdin>", line 1, in <module>
# NameError: name 'reduce' is not defined
# >>> from functools import reduce
#
#
# >>> from functools import reduce
# >>> reduce(lambda x,y: x+y ,[2,3,4],1 )
# 10
# >>> ((1+2)+3)+4
#
# >>> for i in zip((1,2,3),(4,5,6)):
# ...     print(i)
# ...
# (1, 4)
# (2, 5)
# (3, 6)




























def func():
   a = 1
   b = 2
   return a+b


def sum(a):
    def add(b):
      return  a+b

    return add

# add 函数名称或函数的引用
# add() 函数的调用

num1 =  func()

num2 =  sum(2)
print( num2(4))

#
# print(type(num1))
# print(type(num2))
#

count()