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 ...
basic_float.py # Convert integers print(float(42)) # 42.0 print(float(-10)) # -10.0 # Convert numeric strings print(float("3.14")) # 3.14 print(float("-1.5")) # -1.5 # Scientific notation print(float("2.5e2")) # 250.0 This example shows float converting integers and strings. ...
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_...
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)
python - Display a decimal in scientific notation - Stack Overflow https://stackoverflow.com/questions/6913532/display-a-decimal-in-scientific-notation What's the infinity number ? float('inf') Built-in Types — Python 3.7.4 documentation https://docs.python.org/3/library/stdtypes.html?hig...
scientific notation string: {sci_str}") # 测试函数 test_cases = [ "1.23e+10", # 大数字 "3.14e-2", # 小数字 "-5.67e+3", # 负数字 "0.000123", # 已经是普通表示,但也可以被float()解析 "6.022e23" # 非常大的数字 ] for test_case in test_cases: result = convert_scientific_to_...
Note: E notation is short for exponential notation. You may have seen this notation used by calculators to represent numbers that are too big to fit on the screen.To write a float literal in E notation, type a number followed by the letter e and then another number. Python takes the ...