day04_05 内置方法

Posted 2021-06-06 flytoyou

# __author__ = "Alex Li"
#
# #print( all([1,-5,3]) )
# #print( any([]) )
# # a= ascii([1,2,"开外挂开外挂"])
# # print(type(a),[a])
# # a = bytes("abcde",encoding="utf-8")
# # b = bytearray("abcde",encoding="utf-8")
# # print( b[1] )
# # b[1]= 50
# # print(b)
#
#
# #print(a.capitalize(),a)
# # def sayhi():pass
# # print( callable(sayhi) )
#
# code = \'\'\'
# def fib(max): #10
#     n, a, b = 0, 0, 1
#     while n < max: #n<10
#         #print(b)
#         yield b
#         a, b = b, a + b
#         #a = b     a =1, b=2, a=b , a=2,
#         # b = a +b b = 2+2 = 4
#         n = n + 1
#     return \'---done---\'
#
# #f= fib(10)
# g = fib(6)
# while True:
#     try:
#         x = next(g)
#         print(\'g:\', x)
#     except StopIteration as e:
#         print(\'Generator return value:\', e.value)
#         break
#
# \'\'\'
#
# #py_obj = compile(code,"err.log","exec")
# #exec(py_obj)
#
# #exec(code)
#
#
# # def sayhi(n):
# #     print(n)
# #     for i in range(n):
# #         print(i)
# # sayhi(3)
# #
# # #(lambda n:print(n))(5)
# # calc = lambda n:3 if n<4 else n
# # print(calc(2))
#
# #res = filter(lambda n:n>5,range(10))
# # res = map(lambda n:n*2,range(10))
# # res = [ lambda i:i*2 for i in range(10)]
# # import functools
# # res = functools.reduce( lambda x,y:x*y,range(1,10 ))
# # print(res )
#
# a = frozenset([1,4,333,212,33,33,12,4])
# #print(globals())
#
# def test():
#     local_var =333
#     print(locals())
#     print(globals())
# test()
# print(globals())
# print(globals().get(\'local_var\'))


# a = {6:2,8:0,1:4,-5:6,99:11,4:22}
#
# #print(  sorted(a.items()) )
# print(  sorted(a.items(),key=lambda x:x[1]) )
# print(a )

# a = [1,2,3,4,5,6]
# b = [\'a\',\'b\',\'c\',\'d\']
#
# for i in zip(a,b):
#     print(i)

#import \'decorator\'
__import__(\'decorator\')