defconvert_scientific_notation(number):scientific_notation=str(number)if'e'inscientific_notation:formatted_number=format(float(scientific_notation),'f')returnformatted_numberelse:returnnumber# 测试代码number=1.23e+06converted_number=convert_scientific_notation(number)print(converted_number) 1. 2. 3. 4....
scientific_notation = np.format_float_scientific(number, precision=2) print(scientific_notation) NumPy提供的format_float_scientific函数可以更灵活地控制科学记数法的格式和精度。 五、实际应用中的选择 在实际应用中,根据具体需求选择合适的方法至关重要。如果只是简单的格式化字符串,使用格式化字符串或f-strings即...
numbers=[1.23e10,5.67e8,9.87654321e-5]fornumberinnumbers:# 使用 f-stringformatted_fstring=f"{number:.0f}"# 使用 format() 函数formatted_format="{:.0f}".format(number)# 使用 Decimalformatted_decimal=str(Decimal(str(number)))print(f"原始值:{number}\n f-string:{formatted_fstring}\n forma...
print(check_number(123.45)) # float print(check_number(1+2j)) # complex print(check_number("123")) # integer string print(check_number("123.45")) # float string print(check_number("1.23e4")) # scientific notation string print(check_number("abc")) # not a number 2. 判断数值范围 ...
数字型数据类型包括整型(int)、浮点型(float)、布尔型(bool)和复数型(complex)等。其中,整型用于表示整数,浮点型用于表示浮点数或科学计算中的实数,布尔型用于表示 True 和 False 两个值,复数型用于表示实部和虚部都为浮点数的复数。 序列型(Sequence)
scientific notation digits, exp = float_string.split('e') digits = digits.replace('.', '').replace('-', '') exp = int(exp) zero_padding = '0' * (abs(int(exp)) - 1) # minus 1 for decimal point in the sci notation sign = '-' if f < 0 else '' if exp > 0: float_...
The first item in the tuple is 6, a numeric value that replaces %d in the format string. The next item is the string value "bananas", which replaces %s. The last item is the float value 1.74, which replaces %.2f.The resulting string is 6 bananas cost $1.74, as demonstrated in ...
>>> type(1.0) <class 'float'> In the following sections, you’ll learn the basics of how to create and work with floating-point numbers in Python.Floating-Point LiteralsThe float type in Python designates floating-point numbers. To create these types of numbers, you can also use literals...
或进行其他处理 print(f"Error converting '{match}' to float.") return float_numbers # 示例文本 text = "这里有一些科学计数法表示的数值:1.23e4, -5.67E-8, +2.34e+2, 以及无效的表示3.14E" # 调用函数并打印结果 converted_numbers = extract_and_convert_scientific_notation(text) print(converted_...
## Python table_cnt = dat_df.groupby(['NRDeposit', 'IsCanceled']).\ agg(cnt = ('Country', lambda x: len(x))) print(table_cnt) table_pct = table_cnt.groupby(level=0).apply(lambda x: 100 * x/float(x.sum())) print(table_pct) cnt NRDeposit IsCanceled 0 0 63316 1 23042 1...