12 2021 档案

pyton_decorator_learning
摘要：# author: Roy.G'''x=lambda x,y:x**3+y**3a=x(3,3)print(a)'''# def a(a):# a=2*a# a=b(a) # this b(a) just is a str ,not a function ,so it has no problem# 阅读全文

posted @ 2021-12-31 22:56 ttm6489 阅读(30) 评论(0) 推荐(0)

python_function_learning
摘要：author: Roy.G 20211230import sysimport sysimport mathimport matplotlib.pyplot as plt'''def fun_1(): print("fun_1") return 1def fun_2(): print("fun_1") 阅读全文

posted @ 2021-12-31 11:36 ttm6489 阅读(45) 评论(0) 推荐(0)

python_function_learning
摘要：# author: Roy.G 20211230import sysimport timeimport math'''def fun_1(): print("fun_1") return 1def fun_2(): print("fun_1")x=fun_1()y=fun_2()print(x)pr 阅读全文

posted @ 2021-12-30 16:28 ttm6489 阅读(44) 评论(0) 推荐(0)

pyton_coding_learning
摘要：s=u"你好"print(s)print(s.encode().decode("gbk")) 阅读全文

posted @ 2021-12-30 14:33 ttm6489 阅读(22) 评论(0) 推荐(0)

python_file_learning
摘要：# author: Roy.Gimport wsgiref.handlers'''data=open("file_1.txt",encoding="utf-8")print(data)print(data.read())print(" ")print(data.read()) # cursor is 阅读全文

posted @ 2021-12-29 12:37 ttm6489 阅读(44) 评论(0) 推荐(0)

python_set_learning
摘要：# author: Roy.Glist_1=[1,2,3,4,5,6,7,7,7,7,7,7,8,]set_1=set(list_1) #change list to setset_2={1,2,3,4,6,7,8,9,10}print(list_1,type(list_1))print(" ")p 阅读全文

posted @ 2021-12-27 00:24 ttm6489 阅读(42) 评论(0) 推荐(0)

key_value_learning
摘要：# author: Roy.Ginfo={"1":"a", "2":"b", "3":"c", "4":"d", "5":"e",}print(info)print(info["1"])info["1"]="wusong"print(info["1"])info["7"]="luzhish 阅读全文

posted @ 2021-12-26 17:07 ttm6489 阅读(23) 评论(0) 推荐(0)

python_string_learning
摘要：# author: Roy.Ga="my name is \t roy.guo,i am {year} years old,i like {frute}"print(a.center(60,"-")) # .center print 50 character,center the string an 阅读全文

posted @ 2021-12-26 00:27 ttm6489 阅读(46) 评论(0) 推荐(0)

python_guess age
摘要：# author: Roy.Gage_of_oldboy = 56count = 0while count<3: if count==3: break guess_age=int( input ("guess age:")) if guess_age == age_of_oldboy: print( 阅读全文

posted @ 2021-12-25 19:41 ttm6489 阅读(50) 评论(0) 推荐(0)

python_shopping
摘要：# author: Roy.Gshopping_cart=[]salery=input("salery is :")item_list=[ ("a",500), ("b",600), ("b",700), ("d",800), ("e",900), ("f",1000), ("g",1100), ( 阅读全文

posted @ 2021-12-25 18:31 ttm6489 阅读(99) 评论(0) 推荐(0)

python_enumerate
摘要：# author: Roy.Ga=[1,2,3,4,5,6]b=enumerate(a)print(a)for i in b: print(i)# enumerate 好像是将原来的数组的序号，记录在了一块内存中，而元素定义成序号加元素 的形式，当调用他时，只能逐项取出元素，因为，b=enmumer 阅读全文

posted @ 2021-12-25 18:10 ttm6489 阅读(43) 评论(0) 推荐(0)

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