Python简单的练习

#!/usr/bin/env python
#-*-coding:utf-8-*-
#print "hello,word";
#print 2 + 2
#print 1 / 2
#x = 3
#y = x *6
#print y

#a = input("A1:")
#b = input("B1:")
#print a * b

#a = "hello"
#b = "word"
#print a +','+ b

#print('hello,\nworld')

#print(r'hello,\nworld')

#test = 'hello'
#print test[0]
#print test[-1]
#print test[0:2]
#print test[3:]
#print test * 5   #字符串×5输出
#print ['jesse'] * 5
#print list(test) #打成字符串

#test = [22,11,33]
#print len(test)
#print max(test)
#print min(test)

#x = [1,2,3]
#x[1] =8
#print x
#del x[0]  #删除一个位置的数据
#print x

#test = list('hello')
#test = [1,2,3]
#test.append[4]
#print test 
#print test
#test[2:] = list('jesse')  #在2的位置后面追加数据
#print test
#test[1:3] = []  #把1-3位置的数据变成空
#print test

#test = [1,2,3]
#test = []
#print test

#a = {1,2,3}
#b = a.copy()
#print b
#b = a
#b[1] = 4
#print a  #输出1,4,3
#b = a.copy()
#b[1] = 4
#print b

#a = ['h','r','r','t','s','qw','w','h','h'].count('h')
#print a

#a = [1,2,3]
#b = [4,5,6]
#a.extend(b)
#a = a+b
#print a

#a = ['a','b','v','tt'].index('v')
#print a    #输出a第一次出现的次数

#a = [1,2,3,4,5]
#a.insert(3,'four')
#print a
#a.pop() #pop是删除最后一个元素
#print a

#a = [1,2,3,4,5,6]
#a.remove(2)
#print a    #删除指定位置的元素
#a.reverse()
#print a    #取反元素

#a = [99,2,32,23,43,1,3]
#a.sort()
#print a    #按照顺序排列

#test = 'baidu.com'
#te = test.find('co')
#print te

#seq = ['a','b','c','d']
#sep = '+'
#test = sep.join(seq)
#print test     #输出a+b+c+d

#a = 'HELLO,WORD'
#b = a.lower()
#print b    #输出hello,word
#b = a.replace('LL','oooooooooooo')
#print b


#a = '1+2+3+4+5+6'.split('+')
#print a # 输出['1','2','3','4','5','6']

#a = '        hell,word          '
#b = a.strip()
#print b #去除字符串前后有的空格
#items = [('name','jesse'),('sex','1')]
#a = dict(items)
#print a  #输出映射建名-对应
#print a['name']i

#x,y,z=1,2,3
#print x,y,z

#name = raw_input('my name is ?')
#if name.endswith('jesse'):
#    print('hello,jesse')
#else:
#    print('hello  '+name)

#number = int(raw_input('you has number?'))
#if number > 90:
#    print "very good"
#elif number > 60:
#    print "good"
#elif number < 60:
#    print "No Pass"

#x = 1
#while x < 100:
#    print x
#    x+=1


#jihe = ['hao','xiao','yu','han','shi','key']
#for jihes in jihe:
#    print jihes

#exec("print('hello,word')")

#fibs = [0,1]
#for i in range(8):
#   fibs.append(fibs[-2]+fibs[-1])
#print fibs


#自定义函数

#def hello(name):
#    return 'hello,'+name+'!'
#print(hello(' jesse'))

#def add(a,b):
#    return a+b
#print(add(8,9))
#!/usr/bin/env python
#-*-coding:utf-8-*-
#class Class:
#    def add(self):
#        print('I have a self')
#def function():
#    print('my name is haoxiaoyu')
#instance = Class()
#instance.add()
#instance.add = function
#instance.add()
#
def hello():
    print("hello,word")
root@pc:/home/jesse/tmp/python# cat 2.py 
#!/usr/bin/env python
#-*-coding:utf-8-*-
#class Class:
#    def add(self):
#        print('I have a self')
#def function():
#    print('my name is haoxiaoyu')
#instance = Class()
#instance.add()
#instance.add = function
#instance.add()
#
def hello():
    print("hello,word")


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转载自blog.csdn.net/weixin_36171533/article/details/80428099