How Python formats strings
This article mainly introduces Python how to format strings, the article is very detailed, has a certain reference value, interested friends must read it!
Code implementation
# formatting string
A = 'hello'
Print (a)
A = 'abc' +' ' + ''
Print (a)
A = 123
Print (a)
B = 'Hello% slots%' Sun WuKong'
Print (b)
B = 'hello% s Hello% sworn% (' tom',' Sun WuKong')
Print (b)
B = 'hello% 3.5s% duration abcdefg' #% 3.5s string length is limited to 3-5
Print (b)
B = 'hello% s = 3.456
Print (b)
B = 'hello% .2f' 3.456
Print (b)
B = 'hello% dice 3.95
Print (b)
B = 'hehe'
Print (b)
C = f'hello {a} {b}'
Print (frankc = {c}')
Code run output:
Hello
Abc. Haha.
one hundred and twenty three
Hello Sun WuKong
Hello, hello tom, Sun WuKong.
Hello abcde
Hello 123.456
Hello 123.46
Hello 123
He he
C = hello 123.How!
Program analysis
# addition can also be performed between strings
# if two strings are added, the two strings are automatically concatenated into one
# string cannot be added with other types. If you do, an exception will occur: TypeError: must be str, not int
# print ("a =" + a) is not common in Python
# when creating a string, you can specify a placeholder in the string
#% s represents any character in a string
#% f floating point placeholder
#% d integer placeholder
# format string, you can create a format string by adding an f before the string
# variables can be embedded directly in a formatted string
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