Python中%r和%s的相同点和不同点

1、在处理布尔型或者数字型时，二者是没有区别的 (1)数字型

'I am %r years old'%22#%r

‘I am 22 years old’

'I am %s years old'%22#%s

‘I am 22 years old’

'This building is %r m tall'%22.35#%r

‘This building is 22.35 m tall’

'This building is %s m tall'%22.35#%s

‘This building is 22.35 m tall’ (2)布尔型

text=False print('I said this is %r'%text)# %r

I said this is False

text=False print('I said this is %s'%text)#%s

I said this is False 2、在处理字符串型时，%r相比于%s多输出引号

text='this building is very tall' print('I said this is %r'%text)#%r

I said this is ‘this building is very tall’

text='this building is very tall' print('I said this is %s'%text)#%s

I said this is this building is very tall 3、使用%r，打印时忽略转义字符

text='\t\nthis is a test' print('%r'%text)#%r

‘\t\nthis is a test’

text='\t\nthis is a test' print('%s'%text)#%s

this is test this is a test