python编程从入门到实践第二章习题答案

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2.1-2.2

message = "Hello Python!"
print( message )

message = "Hello Zhichao"
print ( message )

 2.3

message = "ada"
print( "Hello " + message + ",would you like to learn some Python today?" )

2.4

name = "ada"

print( name.lower() )
print( name.upper() )
print( name.title() )

2.5

print('Albert Einstein once said, "A person who never made a mistake never tried anything new"')

2.6

famous_person = "Albert Einstein"
print(famous_person + ' once said, "A person who never made a mistake never tried anything new"')

2.7

name = " \tAlbert Einstein\n "

print( name )
print( name.lstrip() )
print( name.rstrip() )
print( name.strip() )

2.8

print( 3+5 )
print( 9-1 )
print( 2*4 )
print( int(16/2) )

print( 2**3 )
print( 17//2 )

2.9-2.10

num = 957  #WE
message = "my favorite number is " + str(num)

print(message) #2018/3/7

2.11

import this