python作业

"""
======================
Author:liulei
Time:2022/5/21:17:07
Tel:
Wechat:
Email:1347639312@qq.com
website:www.duoceshi.cn
======================
"""
# input()
# name = int(input('请输入：'))
# print(name)
# print(type(name))

# name = input('请输入:')
# print(name)
# print(type(int(name)))

# name = input('请输入:')
# if name == 'admin':
#     print('管理员')
# else:
#     print('普通用户')

# a=6
# b=5
# print(a+b)
# print(a*b)
# print(a**b)
# print(a/b)
# a=a+b
# print(a>b)
# print(a<b)
# c=3
# print(a>b and a>c)
# print(a>b or a!=c)

# list=['aa','bb',111.222]
# print(123 in list)
# print('aa' not in list)
# print('123'not in list)
# print(not 123 in list)

# a=12
# b=6
# print(a&b)
# 00001100
# 00000110
# 00000100

# print(a|b)
# 00001100
# 00000110
# 00001110 2+4+8

# print(a^b)
# 00001100
# 00000110
# 00001010 2+8

# print(~a)
# 00001100
# 11110011
# 11110010
# 11111101 -13
# print(~b)
# 00000110
# 11111001
# 11111000
# 11110111 -7

# print(a<<2)
# print(a>>2)
# 00110000 16+32
# 00000011 3

# str='asdfghjk'
# print(str[1])
# print(str[5])
# print(str[10])
# print(str[-1])

# print(str[0:2:1])
# print(str[0:6:2])
# print(str[:5])
# print(str[2::1])
# print(str[:2:-1])

# str1='12345678'
# print(str1[:2:-1])

# str1='abcdefgh'
# str2='happy new year'
# print(str1.capitalize())
# print(str2.capitalize())
# print(str1.title())
# print(str2.title())

# str='aaacccdcqrwqg'
# print(str.count('a'))
# print(str.count('c'))

# str='alhgfklaksjdjk'
# print('*'.join(str))
# str1='a*l*h*g*f*k*l*a*k*s*j*d*j*k'
# print(str1.split('g'))
# print(str1.split('g')[1])

str='123456789'
print(str.strip('789'))
print(str.lstrip('312'))
print(str.rstrip('897'))












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