使用位运算符 & 来判断一个数的最后一位是否为 0，如果是，则该数为偶数；否则，该数为奇数。使用数学方法 import mathdef check_odd_even(num):if int(num/2) == num/2:return"偶数"else:return"奇数"while 1: data = int(input("请输入一个数: ")) print("判断结果为：", check_odd_even(data))输出结果：使用数学方法来判断一个数是否为偶数，如...
# calendar库中封装的isleap()方法判断是否为闰年importcalendartry:year=int(input('请输入一个年份:'))check_year=calendar.isleap(year)ifcheck_year==True:print('{}年是闰年'.format(year))else:print('{}年不是闰年'.format(year))except:print("您输入有误!") ITester软件测试小栈(ID:ITestingA),专...
Checkifa numericvalue(int,float,etc.)is effectively zero.Args:-num:The numeric value to check.-tolerance:The tolerance levelforfloating-point comparisons.Returns:-bool:Trueifnum is effectively zero,False otherwise."""ifisinstance(num,int):# Integer checkreturnnum==0elifisinstance(num,float):# Fl...
# prepare dataX = series.valuesX = X.astype('float32')train_size = int(len(X) * 0.50)train, test = X[0:train_size], X[train_size:]接下来，我们可以时间步长遍历测试数据集。训练数据集存储在一个Python的list对象中，因为我们需要在每次迭代中很容易的附加一些观察值，Numpy数组连接...
x + 1 # Error: str + int is not valid if isinstance(x, int): # Here type of x is int. x + 1 # OK else: # Here type of x is str. x + 'a' # OK f(1) # OK f('x') # OK f(1.1) # Error Note Optional 类型,可选类型, Optional[X] 相当于Union[X,None]: ...
def change_dtypes(col_int, col_float, df): ''' AIM -> Changing dtypes to save memory INPUT -> List of column names (int, float), df OUTPUT -> updated df with smaller memory --- ''' df[col_int] = df[col_int].astype('int32') df[col_float] = df[...
if__name__ =='__main__': parser = argparse.ArgumentParser( description=__description__, epilog="Developed by {} on {}".format(", ".join(__authors__), __date__) ) parser.add_argument('EVIDENCE_FILE',help="Path to evidence file") ...
# Check if camera opened successfully ifnotcap.isOpened(): print("Unable to open camera") exit() # Initialize Mediapipe Hands object withmp_hands.Hands(static_image_mode=False, max_num_hands=2, min_detection_confidence=0.5)ashands:
>>> def check_type(number):... if type(number) == int:... print('do something with anint')... if isinstance(number, (int,float)):... print('do something with anint or float')...>>> check_type(5)do something with an intdo something with an int or float>>> ...
ha = args.hash_algorithmprint("File hashing enabled with {} algorithm".format(ha))ifnotargs.log:print("Log file not defined. Will write to stdout") 当组合成一个脚本并在命令行中使用-h参数执行时,上述代码将提供以下输出: 如此所示,-h标志显示了脚本帮助信息,由argparse自动生成,以及--hash-algorit...