# 注释
"""
多行注释
"""
import keyword
import random
import os

global g_var0

def outer_func(a, b):
    d =a+b
    def inner_func(c):
        print(d+c)
    return inner_func

if __name__=='__main__':
    print(keyword.kwlist)
    """
    False     None   True   and          as    assert 
    await     break  class  continue   def       del    
    elif      else   except finally       for       from   
    global    if    import in       is    lambda 
    nonlocal   not       or    pass      raise  return 
    try          while  with   yield     async  
    """
    for x in [1,2,3,4,5]:
        print(x)
        id(x)
        type(x)
    x=y=z = 5
    q,w,e= 'a','b','c'
    isinstance(q,float)
    x * y
    x ** x
    x / y
    x // y
    if x > y:
        print()
    elif y < x:
        print()
    else:
        print()
    del e
    for i in range(1,2):
        print()
        continue
        c = input("jj")
    random.random
    s = 'dsghkjhaklsg' \
        'sdfsdfsdfsdf'
    s = ('sdfsdfdsfsd'
         'sdfsdfsdsdf')
    len(s)
    s[0]
    s.count("a")
    li = [[],[]]
    li = [tmp ** tmp for tmp in range(0,9) if tmp % 8 ==0]
    list()
    li.sort(reverse=False)
    li.append(li)
    li.pop()
    g_var0 = ()
    tuple()
    set()
    kv = {}
    kv.keys()
    kv.values()
    kv.items()
    for key in kv:
        print(key, kv.get(key))
    for key in kv.keys():
        print(key, kv.get(key))
    for key,value in kv.items():
        print(key, value)
    "%sx,%sy,%sz" % (x,y,z)
    "{},{},{}".format("a","b","c")
    (lambda num1,num2:num1+num2)(1,2)
    lambda  x, y : exec('print(""); global return_value; return_value = x + y')
    func = outer_func(1, 2)
    func(3)
    f = open('vars.py', encoding='utf-8')
    f.read()
    f.readline()
    f.readlines(20)
    # f.write('123')
    # f.seek(-3, 2)
    f.tell()
    f.close()
    # os.remove("")
    # os.mkdir()
    # os.rmdir()
    r""
    try:
        raise FileNotFoundError
    except FileNotFoundError as error:
        print(error)
    else:
        print()
    finally:
        print()