firstName ='Bob'lastName='Dylan'print('你的名字是%s, 你的姓是%s'% (firstName, lastName)) 对于string, list等类型的变量,一律可用%s代替。 对于int类型,用%d 对于float类型,用%f 如果需要对float类型的变量进行小数点后位数的控制,则使用%.<number of digits>f。如 pai = 3.14159print('%.2f'%pai...
对于string, list等类型的变量，⼀律可⽤%s代替。对于int类型，⽤%d 对于float类型，⽤%f 如果需要对float类型的变量进⾏⼩数点后位数的控制，则使⽤%.<number of digits>f。如 pai = 3.14159 print('%.2f' % pai)print('%.4f' % pai)#输出结果为3.14和3.1416 对于tuple, list等，可以...
the '%' operator is used to format a set of variables enclosed in a "tuple" ( a fixed size list) | %s | string | | %d | integers | | %f | floating point numbers | | %.<number of digits>f | floating point numbers with a fixed amount of digits to the right of the dot | |...
print("This number in scientific notation: %e" % 1234567) print("My chances are %%%d" % 100) # 'My chances are %100' 1. 2. 3. 4. 5. 6. 注意:%的方式虽然可以实现字符串格式化,但在 Python 3.6 以后,官方更推荐使用 f-string(格式化字符串)的方式,例如: name = "Alice" age = 25 pri...
sdifferent from the default. The expression starts with a colon to separate it from the field name that we saw before. After thecolon, we write “.2f”. This means we’re going to format afloat numberand that there should betwo digits after the decimal dot. So no matter what the ...
format(0xae123fcc8ab2) '0xae12_3fcc_8ab2' If you try to specify grouping_option with any presentation type other than those listed above, then your code will raise an exception.The precision Component The precision component specifies the number of digits after the decimal point for ...
Format String Syntax Replacement Fields Syntax 替代字段特点 standard format specifier 对齐(align) 符号(sign) \#号选项 千位分隔符(thousand separator) 最小域宽(field width) 精度(precision) 类型(type) 什么是str.format呢? str.format()就是字符串类型的一个函数,它用来执行字符串格式化操作。
In the example above, there are a lot of numbers displaying after the decimal point, but you can limit those. When you are specifyingffor float values, you can additionally specify the precision of that value by including a full stop.followed by the number of digits after the decimal you ...
参考链接: Python中的string.octdigits common string oprations import string 1. string constants(常量) 1) string. ascii_letters The concatenation of the ascii_lowercase and ascii_uppercase constants described below. This value is not locale-dependent. ...
Concatenate any number of strings. The string whose method is called is inserted in between each given string. The result is returned as a new string. Example: '.'.join(['ab', 'pq', 'rs']) -> 'ab.pq.rs' 连接任意数量的字符串。