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name = ['ludongjun','dahuangya','qq',8,9,1,'ludongjun',8,9,4,5,6,'ludongjun',7,3,0,1,2,4] # print('for循环:') # # for gad in name: #for循环 # print(gad) range(10) for i in range(10): print(i) ... 阅读全文
posted @ 2018-01-20 21:03
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name = ['ludongjun','dahuangya','qq',8,9,1,'ludongjun',8,9,4,5,6,'ludongjun',7,3,0,1,2,4] print(name,'\n') print('删除:') name.pop() #删除最后一个 print(name) name.remove('ludongjun') print(name) #删除从左往右... 阅读全文
posted @ 2018-01-20 21:00
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name = ['ludongjun','dahuangya','qq',8,9,1,'ludongjun',8,9,4,5,6,'ludongjun',7,3,0,1,2,4] print(name,'\n') print('增加:') name.append('bigdog') # apend在中文表示配齐,在程序中表示追加 print(name,'\n') print('插入:')... 阅读全文
posted @ 2018-01-20 20:59
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name = ['ludongjun','dahuangya','qq',8,9,1,'ludongjun',8,9,4,5,6,'ludongjun',7,3,0,1,2,4] print(name) print('查询方法:') print(name[2],'通过索引值查找元素') #通过索引取值 print(name[-1],'通过索引值从列表的右边开始查找元素') print(name... 阅读全文
posted @ 2018-01-20 20:57
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count = 0 while count <= 5: # if count == 3: #如果有break终止,就不执行,while后面else, # print('33333') # break print(count) count += 1 else: print('循环正常执行完了') pr... 阅读全文
posted @ 2018-01-20 20:52
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count = 0 while count < 3: age = int(input('输入猜的年龄:'))#输入的结构必须在循环体内,否则一直循环第一次输入的值 if age == 5: print('恭喜你,猜对了')#猜对了也可以继续玩下去 # b = input('是否要继续玩下去?,y/n:') # if b == 'y... 阅读全文
posted @ 2018-01-20 20:50
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count = 0 while count < 3: age = int(input('输入猜的年龄:'))#输入的结构必须在循环体内,否则一直循环第一次输入的值 if age == 5: print('恭喜你,猜对了') break elif age < 5: print('往大了猜') else: ... 阅读全文
posted @ 2018-01-20 20:49
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while True: s = input('Enter something : ') if s == 'quit': break if len(s) < 3: print('Too small') continue print('Input is of sufficient length') # 自此处起继续进行其它任何处... 阅读全文
posted @ 2018-01-20 20:48
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while count <= 100: print(count) if count == 5: break count += 1 print('loop over') 阅读全文
posted @ 2018-01-20 20:43
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#从简明Python搬来 number = 23 # 将23赋值给number的变量 running = True # 在while语句运行前,将running变量设置为ture while running: # 先检查变量running是否为ture,然后再运行相应的块 guess = int(input('Enter an integer : ')) if gu... 阅读全文
posted @ 2018-01-20 20:42
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