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python3 row input

从哪里看到的?应该都是随意命名的变量,没有什么特殊意义。

你的a变量并没有赋值到函数dc1,dc2,因此在函数中会提示a变量之前没有定义,我根据的你修改了一下。 def dc(n): a=1 s=0 def dc1(n,a): if a>=n: print(s) else: return dc2(n,a) def dc2(n,a): a=a+1 return dc1(n,a) return dc1(n,a)

python3.x系列不再有 raw_input 函数。3.x中 input 和从前的 raw_input 等效,换吧。 Python在设计上坚持了清晰划一的风格,这使得Python成为一门易读、易维护,并且被大量用户所欢迎的、用途广泛的语言。 设计者开发时总的指导思想是,对于一个...

Python文档中有提到: open('eggs.csv', newline='') 也就是说,打开文件的时候多指定一个参数。Python文档中也有这样的示例: import csvwith open('eggs.csv', 'w', newline='') as csvfile: spamwriter = csv.writer(csvfile, delimiter=' ',...

import csvwith open('eggs.csv', newline='') as csvfile: spamreader = csv.reader(csvfile, delimiter=',', quotechar=',') for row in spamreader: print(', '.join(row))

代码 with open("C:\\Users\\XXX\\Desktop\\redis_log2.csv","w") as datacsv: csvwriter = csv.writer(datacsv,dialect=("excel")) csvwriter.writerow(["time","us","sy","cl","bcl","mem","rss","keys","cmd/s","exp/s","evt/s","hit%/s","hi...

xlrd,xlwt关于excel的,需要下载,不知道你说的是不是这个

record = []while True: info = [] userInput = raw_input('Enter something: ') if userInput == "exit": break else: info=userInput.split(",") record+=[info]print record输入的时候把内容用逗号隔开. 输入exit终止循环. Enter something: ...

with open('ttt.csv','w') as fh: writer = csv.writer(fh,lineterminator='\n') #一次写入一行数据 for item in data: writer.writerow(item) #一次写入多行数据 writer.writerows(data)加一个linwterminator='\n'参数

import csvTitle = ['Name','Age','Sex']Name = ['张三','李四','王二']Age = ['30','20','10']Sex = ['男','男','未知']for i in range(len(Title)): list=[] list.append(Name[i]) list.append(Age[i]) list.append(Sex[i]) print(list)#把这...

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