使用float.is_integer()方法检查浮点数是否为整数,例如result = (3.00).is_integer()。 如果浮点数是有限的整数,float.is_integer()方法将返回True,否则返回False。 importmath# ✅ check if float is whole number using float.is_integer()result_1 = (3.00).is_integer()print(result_1)# 👉️ Tru...
Arithmetic Expressions Make Python Lie to You Math Functions and Number Methods Round Numbers With round() Find the Absolute Value With abs() Raise to a Power With pow() Check if a Float Is Integral Print Numbers in Style Complex Numbers Conclusion: Numbers in Python Further ReadingRemove...
In order to avoid thisTraceback Error, we can use the keywordinto check if a substring is contained in a string. In the case of Loops, it was used for iteration, whereas in this case it’s a conditional that can be eithertrueorfalse.It’ll be true if the substring is part of the ...
a = input('Enter first number: ') b = input('Enter second number: ') sum = float(a) + float(b) print('The sum of {0} and {1} is {2}'.format(num1, num2, sum)) Program to Check Armstrong Number in Python An Armstrong number is a number in which the sum of the cubes...
# conditional.1.pylate =Trueiflate:print('I need to call my manager!') 这可能是最简单的例子:当late被传递给if语句时,late充当条件表达式,在布尔上下文中进行评估(就像我们调用bool(late)一样)。如果评估的结果是True,那么我们就进入if语句后面的代码体。请注意,print指令是缩进的:这意味着它属于由if子句...
(dictionary) return result 索引遍历可以根据键来直接进行元素访问: Python 中对于访问不存在的键会抛出 KeyError 异常,需要先行判断或者使用 get print 'cat' in d # Check if a dictionary has a given key; prints "True" 如果直接使用 [] 来取值,需要先确定键的存在,否则会抛出异常 print d['monkey'] ...
数值数据类型的命名方式相同:类型名称,如float或int,后跟表示每个元素的位数的数字。标准的双精度浮点值(Python 中float对象底层使用的)占用 8 字节或 64 位。因此,在 NumPy 中,此类型称为float64。请参见表 4.2 以获取 NumPy 支持的数据类型的完整列表。 注意 不要担心记住 NumPy 数据类型,特别是如果您是新...
| 任何类型→浮点 |float( )|wholenumber=522``floatnumber=float(wholenumber)``print(floatnumber)| | 整数或浮点→字符串 |str( )|float_variable=float(2.15)``string_variable=str(float_variable)``print(string_variable)| | 字符串→列表 |列表()|greeting="Hello"``a_list=list(greeting)``print...
How to Check if a Number Is Even or OddIn this section, you’ll see how you can use the modulo operator to determine if a number is even or odd. Using the modulo operator with a modulus of 2, you can check any number to see if it’s evenly divisible by 2. If it is evenly ...
Functions in Python are also objects (see Everything is an object). See Calling a function and How to make a function. Callable An object which can be "called". If you have a variable that represents a callable object, you can "call" that object by putting parentheses after it (e.g....