在上述示例中,我们定义了一个convert_to_float_with_2_decimal_places()函数,该函数接受一个字符串参数s,将其转换为浮点数并保留2位小数。然后,我们使用字符串"3.14159"调用该函数,并将返回值打印出来。 总结 本文介绍了如何在Python中将字符串转换为浮点数并保留2位小数。我们通过使用float()函数将字符串转换为...
You can simply use str method to convert float to String. Let’s understand with the help of simple example. 1 2 3 4 f=1.23444432 print("Converted f to String:",str(f)) Output: Converted f to String: 1.23444432 Let’s say you want to format String to only two decimal places. You ...
In the above code, we have used the same example as above and removed the quotes to make the variable ‘x’ as float since it has decimal point the compiler identifies it as float value and passed it to the variable ‘s’ to convert it into string using the python str() function. Ex...
一、数据类型转换(int、float)由于该类型主要用于数学运算,所以无需掌握其内置方法 # 1、数据类型转换# 1.1 int可以将由纯整数构成的字符串直接转换成整型,若包含其他任意非整数符号,则会报错>>> s = '123'>>> res = int(s)>>> res,type(res)(123, )>>> int('12.3') # 错误演示:字符串内包含了...
*Numbers(数字)*String(字符串)*List(列表)*Tuple(元组)*Dictionary(字典) 三、 Python数字(Number) Python数字类型用于存储数值数值类型是不允许改变的,这就意味着如果改变数字类型的值,将重新分配内存空间 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
String form:[1,2,3]Length:3Docstring:Built-inmutable sequence.If no argument is given,the constructor creates anewemptylist.The argument must be an iterableifspecified.In[3]:print?Docstring:print(value,...,sep=' ',end='\n',file=sys.stdout,flush=False)Prints the values to a stream,or ...
45 def capwords(s, sep=None): 46 """capwords(s [,sep]) -> string 47 48 Split the argument into words using split, capitalize each 49 word using capitalize, and join the capitalized words using 50 join. If the optional second argument sep is absent or None, 51 runs of whitespace ...
1 """A collection of string operations (most are no longer used). 2 3 Warning: most of the code you see here isn't normally used nowadays. 4 Beginning with Python 1.6, many of these functions are implemented as 5 methods on the standard string object. They used to be implemented ...
用F-String来格式化对象的打印输出 !r —表示调用repr()函数来进行将值转换成字符串!s —表示调用str()函数来进行将值转换成字符串 >>> class Color: def __init__(self, r: float = 255, g: float = 255, b: float = 255): self.r = r self.g = g self.b = b def __...
=float(string)# Example 3: Use string formatting# Along with the float() functiondecimal_number=float(string)formatted_decimal="{:.2f}".format(decimal_number)# Example 4: Using astype() method from the numpy library# Convert string to decimalfloat_number=np.array([string]).astype(float)# ...