lis = [56,12,1,8,354,10,100,34,56,7,23,456,234,-58]def sortport(): for i in range(len(lis)-1): for j in range(len(lis)-1-i): if lis[j] > lis[j+1]: lis[j],lis[j+1] = lis[j+1],lis[j] return lis

def power(x, n): s = 1 while n > 0: n = n - 1 s = s * x return s

def calc(*numbers): sum = 0 for n in numbers: sum = sum + n * n return sum

def fac(): num = int(input('請輸入一個數(shù)字: ')) factorial = 1# 查看數(shù)字是負數(shù)，0 或 正數(shù) if num <>

print('抱歉，負數(shù)沒有階乘') elif num == 0: print('0 的階乘為 1') else: for i in range(1, num + 1): factorial = factorial * i print('%d 的階乘為 %d' % (num, factorial))def factorial(n): result = n for i in range(1, n): result *= i return resultdef fact(n): if n==1: return 1 return n * fact(n - 1)

[d for d in os.listdir('.')]

L = ['Hello', 'World', 'IBM', 'Apple'][s.lower() for s in L]

def print_dir(): filepath = input('請輸入一個路徑：') if filepath == '': print('請輸入正確的路徑') else: for i in os.listdir(filepath): #獲取目錄中的文件及子目錄列表 print(os.path.join(filepath,i)) #把路徑組合起來print(print_dir())

def show_dir(filepath): for i in os.listdir(filepath): path = (os.path.join(filepath, i)) print(path) if os.path.isdir(path): #isdir()判斷是否是目錄 show_dir(path) #如果是目錄，使用遞歸方法filepath = 'C:\Program Files\Internet Explorer'show_dir(filepath)

def print_dir(filepath): for i in os.listdir(filepath): path = os.path.join(filepath, i) if os.path.isdir(path): print_dir(path) if path.endswith('.html'): print(path)filepath = 'E:\PycharmProjects'print_dir(filepath)

for i in range(1, 10): for j in range(1, i+1): # print('{}x{}={}\t'.format(j, i, i*j), end='') print('%d x %d = %d \t'%(i, j, i*j),end='') print()

num = ['harden','lampard',3,34,45,56,76,87,78,45,3,3,3,87686,98,76]# print(num.count(3))# print(num.index(3))for i in range(num.count(3)): #獲取3出現(xiàn)的次數(shù) ele_index = num.index(3) #獲取首次3出現(xiàn)的坐標 num[ele_index]='3a' #修改3為3 print(num)

L = ['James','Meng','Xin']for i in range(len(L)): print('Hello,%s'%L[i])

list1 = [2, 3, 8, 4, 9, 5, 6]list2 = [5, 6, 10, 17, 11, 2]list3 = list1 + list2print(list3) # 不去重只進行兩個列表的組合print(set(list3)) # 去重,類型為set需要轉換成listprint(list(set(list3)))

import randomlist1=[]for i in range(65,91): list1.append(chr(i)) #通過for循環(huán)遍歷asii追加到空列表中for j in range(97,123): list1.append(chr(j))for k in range(48,58): list1.append(chr(k))ma = random.sample(list1,6)print(ma) #獲取到的為列表 ma = ''.join(ma) #將列表轉化為字符串print(ma)import random,stringstr1 = '0123456789'str2 = string.ascii_letters # string.ascii_letters 包含所有字母（大寫或小寫）的字符串str3 = str1+str2ma1 = random.sample(str3,6) #多個字符中選取特定數(shù)量的字符ma1 = ''.join(ma1) #使用join拼接轉換為字符串print(ma1) #通過引入string模塊和random模塊使用現(xiàn)有的方法#隨機數(shù)字小游戲import randomi = 1a = random.randint(0,100)b = int( input('請輸入0-100中的一個數(shù)字\n然后查看是否與電腦一樣：'))while a != b: if a > b: print('你第%d輸入的數(shù)字小于電腦隨機數(shù)字'%i) b = int(input('請再次輸入數(shù)字:')) else: print('你第%d輸入的數(shù)字大于電腦隨機數(shù)字'%i) b = int(input('請再次輸入數(shù)字:')) i+=1else: print('恭喜你，你第%d次輸入的數(shù)字與電腦的隨機數(shù)字%d一樣'%(i,b))

num = float(input('請輸入一個數(shù)字： '))num_sqrt = num ** 0.5print(' %0.2f 的平方根為 %0.2f'%(num ,num_sqrt))

def is_number(s): try: float(s) return True except ValueError: pass try: import unicodedata unicodedata.numeric(s) return True except (TypeError, ValueError): pass return Falseprint(chri.isdigit()) #檢測字符串是否只由數(shù)字組成print(chri.isnumeric()) #檢測字符串是否只由數(shù)字組成，這種方法是只針對unicode對象

num = int(input('輸入一個數(shù)字: '))if (num % 2) == 0: print('{0} 是偶數(shù)'.format(num))else: print('{0} 是奇數(shù)'.format(num))while True: try: num = int(input('輸入一個整數(shù)：')) #判斷輸入是否為整數(shù) except ValueError: #不是純數(shù)字需要重新輸入 print('輸入的不是整數(shù)！') continue if num % 2 == 0: print('偶數(shù)') else: print('奇數(shù)') break

year = int(input('輸入一個年份: '))if (year % 4) == 0: if (year % 100) == 0: if (year % 400) == 0: print('{0} 是閏年'.format(year)) # 整百年能被400整除的是閏年 else: print('{0} 不是閏年'.format(year)) else: print('{0} 是閏年'.format(year)) # 非整百年能被4整除的為閏年else: print('{0} 不是閏年'.format(year))year = int(input('請輸入一個年份：'))if (year % 4) == 0 and (year % 100) != 0 or (year % 400) == 0: print('{0}是閏年'.format(year))else: print('{0}不是閏年'.format(year))import calendaryear = int(input('請輸入年份：'))check_year=calendar.isleap(year)if check_year == True: print ('%d是閏年'% year)else: print ('%d是平年'% year)

N = int(input('輸入需要對比大小數(shù)字的個數(shù)：'))print('請輸入需要對比的數(shù)字：')num = []for i in range(1,N+1): temp = int(input('輸入第 %d 個數(shù)字:' % i)) num.append (temp)print('您輸入的數(shù)字為：',num)print('最大值為：',max(num))N = int(input('輸入需要對比大小數(shù)字的個數(shù)：\n'))num = [ int(input('請輸入第 %d 個對比數(shù)字: \n'%i))for i in range(1,N+1)]print('您輸入的數(shù)字為:',num)print('最大值為: ',max(num))

# 判斷輸入的值是否合法if nterms <=>

print('請輸入一個正整數(shù)。')elif nterms == 1: print('斐波那契數(shù)列：') print(n1)else: print('斐波那契數(shù)列：') print(n1, ',', n2, end=' , ') while count <>

nth = n1 + n2 print(n1+n2, end=' , ') # 更新值 n1 = n2 n2 = nth count += 1

# 獲取輸入十進制數(shù)dec = int(input('輸入數(shù)字：'))print('十進制數(shù)為：', dec)print('轉換為二進制為：', bin(dec))print('轉換為八進制為：', oct(dec))print('轉換為十六進制為：', hex(dec))

def hcf(x, y): '''該函數(shù)返回兩個數(shù)的最大公約數(shù)''' # 獲取最小值 if x > y: smaller = y else: smaller = x for i in range(1, smaller + 1): if ((x % i == 0) and (y % i == 0)): hcf = i return hcf# 用戶輸入兩個數(shù)字num1 = int(input('輸入第一個數(shù)字: '))num2 = int(input('輸入第二個數(shù)字: '))print(num1, '和', num2, '的最大公約數(shù)為', hcf(num1, num2))

# 定義函數(shù)def lcm(x, y): # 獲取最大的數(shù) if x > y: greater = x else: greater = y while(True): if((greater % x == 0) and (greater % y == 0)): lcm = greater break greater += 1 return lcm # 獲取用戶輸入num1 = int(input('輸入第一個數(shù)字: '))num2 = int(input('輸入第二個數(shù)字: ')) print( num1,'和', num2,'的最小公倍數(shù)為', lcm(num1, num2))

# 定義函數(shù)def add(x, y): '''相加''' return x + ydef subtract(x, y): '''相減''' return x - ydef multiply(x, y): '''相乘''' return x * ydef divide(x, y): '''相除''' return x / y# 用戶輸入print('選擇運算：')print('1、相加')print('2、相減')print('3、相乘')print('4、相除')choice = input('輸入你的選擇(1/2/3/4):')num1 = int(input('輸入第一個數(shù)字: '))num2 = int(input('輸入第二個數(shù)字: '))if choice == '1': print(num1, '+', num2, '=', add(num1, num2))elif choice == '2': print(num1, '-', num2, '=', subtract(num1, num2))elif choice == '3': print(num1, '*', num2, '=', multiply(num1, num2))elif choice == '4': if num2 != 0: print(num1, '/', num2, '=', divide(num1, num2)) else: print('分母不能為0')else: print('非法輸入')

# 引入日歷模塊import calendar# 輸入指定年月yy = int(input('輸入年份: '))mm = int(input('輸入月份: '))# 顯示日歷print(calendar.month(yy, mm))

# 寫文件with open('test.txt', 'wt') as out_file: out_file.write('該文本會寫入到文件中\(zhòng)n看到我了吧！')# Read a filewith open('test.txt', 'rt') as in_file: text = in_file.read()print(text)

# 測試實例一print('測試實例一')str = 'runoob.com'print(str.isalnum()) # 判斷所有字符都是數(shù)字或者字母print(str.isalpha()) # 判斷所有字符都是字母print(str.isdigit()) # 判斷所有字符都是數(shù)字print(str.islower()) # 判斷所有字符都是小寫print(str.isupper()) # 判斷所有字符都是大寫print(str.istitle()) # 判斷所有單詞都是首字母大寫，像標題print(str.isspace()) # 判斷所有字符都是空白字符、\t、\n、\rprint('------------------------')# 測試實例二print('測試實例二')str = 'Bake corN'print(str.isalnum()) print(str.isalpha()) print(str.isdigit()) print(str.islower()) print(str.isupper()) print(str.istitle()) print(str.isspace())

str = 'https://www.cnblogs.com/ailiailan/'print(str.upper()) # 把所有字符中的小寫字母轉換成大寫字母print(str.lower()) # 把所有字符中的大寫字母轉換成小寫字母print(str.capitalize()) # 把第一個字母轉化為大寫字母，其余小寫print(str.title()) # 把每個單詞的第一個字母轉化為大寫，其余小寫

import calendarmonthRange = calendar.monthrange(2016,9)print(monthRange)

# 引入 datetime 模塊import datetimedef getYesterday(): today=datetime.date.today() oneday=datetime.timedelta(days=1) yesterday=today-oneday return yesterday # 輸出print(getYesterday())

>>> li ['a', 'b', 'mpilgrim', 'z', 'example']>>> li[-1] 'example'>>> li[-3] 'mpilgrim'>>> li ['a', 'b', 'mpilgrim', 'z', 'example']>>> li[1:3] ['b', 'mpilgrim'] >>> li[1:-1] ['b', 'mpilgrim', 'z'] >>> li[0:3] ['a', 'b', 'mpilgrim']

>>> li ['a', 'b', 'mpilgrim', 'z', 'example']>>> li.append('new')>>> li ['a', 'b', 'mpilgrim', 'z', 'example', 'new']>>> li.insert(2, 'new')>>> li ['a', 'b', 'new', 'mpilgrim', 'z', 'example', 'new']>>> li.extend(['two', 'elements']) >>> li ['a', 'b', 'new', 'mpilgrim', 'z', 'example', 'new', 'two', 'elements']

>>> li ['a', 'b', 'new', 'mpilgrim', 'z', 'example', 'new', 'two', 'elements']>>> li.index('example')5>>> li.index('new')2>>> li.index('c')Traceback (innermost last): File '