>>>"%d"%123.123# As an integer'123'>>>"%o"%42# As an octal'52'>>>"%x"%42# As a hex'2a'>>>"%e"%1234567890# In scientific notation'1.234568e+09'>>>"%f"%42# As a floating-point number'42.000000' In these examples, you’ve used different conversion types to display values usi...
然后,我们可以使用NumPy的format_float_scientific函数来转化科学计数法。 importnumpyasnp num=1.23e+5formatted_num=np.format_float_scientific(num,precision=2)print(formatted_num) 1. 2. 3. 4. 5. 输出结果为: 1.23e+05 1. 总结 本文介绍了如何使用Python将科学计数法转化为正式计数法的几种方法。我们...
使用scientific notation表示数字 科学技术法是一种用于表示很大或者很小的数字的方法,通常以数字乘以10的幂的形式来表示。例如,1.23 x 10^6表示为1.23e6。 在Python中,科学技术法表示的数字可以直接赋值给变量,例如: num=1.23e6print(num) 1. 2. 将科学技术法转换为字符串 如果我们需要将科学技术法表示的数字转...
示例：name = 'Alice'age = 25formatted_string = "My name is {} and I am {} years old.".format(name, age)print(formatted_string)输出结果：My name is Alice and I am 25 years old.2. 使用位置参数：可以通过位置参数指定要替换的值的顺序。示例：name = 'Bob'age = 30formatted_string = ...
print(f"scientific: {number:e}") print(f"Number: {number:09}") print(f"千分位表示法: {number:,}") 或者,如果您希望f字符串输出百分比值,可以使用:.2%,这会告诉Python将值设置为小数点后两位,并在字符串末尾添加百分号。 percentage = 0.1234 ...
Before Python 3.6 we had to use theformat()method. F-Strings F-string allows you to format selected parts of a string. To specify a string as an f-string, simply put anfin front of the string literal, like this: ExampleGet your own Python Server ...
:gGeneral format :GGeneral format (using a upper case E for scientific notations) :oTry itOctal format :xTry itHex format, lower case :XTry itHex format, upper case :nNumber format :%Try itPercentage format ❮ String Methods Track your progress - it's free!
# scientific print(f'{val:e}') The example prints a value in various notations. $ python main.py 12c 12C 454 100101100 3.000000e+02 Source Python f-string - language reference In this article we have worked with Python f-strings.
print(f'number: {number:.2f}')print(f'hex: {number:#0x}')print(f'binary: {number:b}')print(f'octal: {number:o}')print(f'scientific: {number:e}')print(f'Number: {number:09}')print(f'千分位表示法: {number:,}') 或者,如果您希望f字符串输出百分比值,可以使用:.2%,这会告诉Pytho...
string类型数据 整型数据格式化 浮点型数据格式化 'g'解释 General format. For a given precision p >= 1, this rounds the number to p significant digits and then formats the result in either fixed-point format or in scientific notation, depending on its magnitude. ...