print(formatted_string) # 数字格式化:设置宽度和小数位 number = 123.456789 formatted_number = "Formatted number: {:.2f}".format(number) # 保留2位小数 print(formatted_number) # 数字带千位分隔符large_number = 1234567890 formatted_large_number = "Large number: {:,.2f}".format(large_number) #...
tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(15, 15, 15, 15, 15, 15.87623, 2) tpl = "numbers: {:b},{:o},{:d},{:x},{:X}, {:%}".format(15, 15, 15, 15, 15, 15.87623, 2) tpl = "numbers: {0:b},{0:o},{0:d},{0:x},{0:X}, {0:%...
1tpl ="i am %s"%"alex"23tpl ="i am %s age %d"% ("alex", 18)45tpl ="i am %(name)s age %(age)d"% {"name":"alex","age": 18}67tpl ="percent %.2f"% 99.97623#打印浮点数89tpl ="i am %(pp).2f"% {"pp": 123.425556, }1011tpl ="i am %.2f %%"% {"pp": 123.425...
timeit.timeit(test_format, number=1000000))print("F-string:", timeit.timeit(test_fstring, number=1000000))# 示例输出:# Percent: 0.23# Format: 0.28# F-string: 0.15测试结果显示，f-string通常比format和%操作符更快，尤其在插入多个变量时优势更明显。这...
TypeError: %d format: a number is required, not list 1. 2. 3. 4. 7、打印浮点数 tpl = "percent %.2f" % 99.976234444444444444 print(tpl) 1. 2. 执行结果: percent 99.98 1. 8、打印百分比 tpl = 'percent %.2f %%' % 99.976234444444444444 ...
STRING="I am %(name)s age %(age)d"%({"name":"alex","age": 18}) STRING="percent %.2f"%99.97623STRING="I am %(pp).2f"%{"pp": 123.425556} STRING="I am %(pp).2f %%"%{"pp": 123.425556} 2、常用format格式化方式: STRING ="I am {}, age {}, {}".format("seven", 18,...
erDiagram Percentages ||--o{ 使用百分号 Percentages ||--o{ 使用小数 Percentages ||--o{ 使用字符串格式化 本文主要参考了以下文章和资料: [Python String Formatting: Percent, Floating Point Numbers]( [Python String Format Examples](
>>>percent_num="percent %(cost).2f%%"%{"cost":98.64578}>>>percent_num'percent 98.65%' No.3 新贵format 格式: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 [[fill]align][sign][#][0][width][,][.precision][type] [fill]: 可选,空白处填充的字符align: 可选,对齐方式(需配合width...
The situation with string formatting is complicated. Once upon a time, Python introducedpercent formatting. It uses "%" as a binary operator to render strings: >>> drink = "coffee" >>> price = 2.5 >>> message = "This %s costs $%.2f." % (drink, price) ...
Python 来格式化字符串有.format() 字符串方法 和f-string 方法。 字符串.format() 方法 Python 2.6版本引入了字符串 .format() 方法。 调用模式有固定的模板, 和 指定插入的值 <template> 以代替替换的字段。 生成的格式化字符串是方法的返回值。 <template>.format(<positional_argument(s)>, <keyword_arg...