# 输出'Left-aligned string: Lily '# 其他进制示例print("Binary: %b"%x)# 输出'Binary: 1010'print("Octal: %#o"%x)# 输出'Octal: 0o12'print("Hexadecimal: %#x"%x)# 输出'Hexadecimal: 0xa'# 字符串格式化拓展示例print("Value of x is {}, My name is {}, I am {} years old".forma...
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换成字符串形式,可以使用Python中的format函数。具体操作步骤如下: num=1.23e6str_num='{:f}'.format(num)print(str_num) 1. 2. 3. 在上面的代码中,{:f}表示将科学技术法表示的数字转换成普通的浮点数形式,然后使用format函数将其转换成字符...
defscientific_notation(num):""" 将数字转换为科学计数法 :param num: 输入的数字 :return: 科学计数法表示的字符串 """# 判断数字是否超过限定的位数ifabs(num)>=1e+10:# 10 亿及以上return"{:.2e}".format(num)# 转换为科学计数法else:returnstr(num)# 直接返回数字的字符串表示 1. 2. 3. 4. ...
print("转换为常规小数:", formatted_num) 在这个示例中,我们使用了SymPy库来表示科学记数法。首先,我们导入了symbols和Eq模块。然后,我们定义了一个符号变量num来表示我们要处理的数值。接下来,我们使用format()函数将num表示为科学记数法。最后,我们将科学记数法转换为常规小数表示法。 科学记数法与常规小数表示...
string, without resorting to scientific notation """ d1 = ctx.create_decimal(repr(f)) return format(d1, 'f') ''' SETUP_2 = ''' def float_to_str(f): float_string = repr(f) if 'e' in float_string: # detect scientific notation digits, exp = float_string.split('e') digits ...
This example shows basic string formatting with positional and named arguments. The format specifier {:.2f} rounds the number to 2 decimal places. The function is similar to the string format method but called as a standalone function. It's useful when you need to format values dynamically. ...
>>> string = 'Hello\nMy\tfriend'>>> print(string)# Hello# My friend 原始字符串:在引号前面加上r,表示不对字符串的内容进行转义 >>> string = r'Hello\nMy\tfriend'>>> print(string)# Hello\nMy\tfriend 长字符串:用三引号代替普通引号,表示保留文本的原格式,适用于篇幅较长的文段 ...
String formatting is essential in Python for creating dynamic and well-structured text by inserting values into strings. This tutorial covers various methods, including f-strings, the .format() method, and the modulo operator (%). Each method has unique features and benefits for different use cas...
The example formats a string using two variables. print('%s is %d years old' % (name, age)) This is the oldest option. It uses the%operator and classic string format specifies such as%sand%d. print('{} is {} years old'.format(name, age)) ...
In the output, Python converted each item from the tuple of values to a string value and inserted it into the format string in place of the corresponding conversion specifier: The first item in the tuple is 6, a numeric value that replaces %d in the format string. The next item is the...