point2.move(5,0)print(point2.calculate_distance(point1))assertpoint2.calculate_distance(point1) == point1.calculate_distance( point2 ) point1.move(3,4)print(point1.calculate_distance(point2))print(point1.calculate_distance(point1)) 结尾处的print语句给出了以下输出: 5.04.472135954999580.0 这...
a =int(input("Enter a number \n"))if(a ==100):print("a is equal to 100")else:print("a is not equal to 100")returna 现在,创建一个名为test_if.py的测试脚本,并在其中编写以下代码: importif_exampleimportunittestclassTest_if(unittest.TestCase):deftest_if(self): result = if_example....
AI代码解释 >>>v1=Vector2d(3,4)>>>print(v1.x,v1.y)# ①3.04.0>>>x,y=v1 # ②>>>x,y(3.0,4.0)>>>v1 # ③Vector2d(3.0,4.0)>>>v1_clone=eval(repr(v1))# ④>>>v1==v1_clone # ⑤ True>>>print(v1)#⑥(3.0,4.0)>>>octets=bytes(v1)# ⑦>>>octets b'd\\x00\\x00...
foriinmy_list_int2:print(type(i))# Return data types of all list elements# <class 'int'># <class 'int'># <class 'int'># <class 'int'># <class 'int'># <class 'int'> Again only integers! This time we have used list comprehension instead of the map function, though. ...
=print('apple' > 'app') # Trueprint('apple' > 'banana')'''调用内置函数ord可以得到指定字符的ordinal value '''print(ord('a'), ord('b'))print(ord('刘'), ord('张'))'''== 与 is 的区别'''# == 比较的是 value# is 比较的是 ida = b = 'pthon'print(a is b)print(a ==...
How to Take List Input in Python – Python List Input Tuples in Python Python Function – Example & Syntax What is Regular Expression in Python Python Modules, Regular Expressions & Python Frameworks How to Sort a List in Python Without Using Sort Function How to Compare Two Strings in Python...
read_excel('学生成绩汇总表.xlsx') print(df) 实例10:数据分箱:对数据进行分箱统计 import pandas as pd # 首先创建一个空的DataFrame df = pd.DataFrame(columns=['分箱']) # 然后建立一个列表数据,列表里面是人的姓名信息 box_list = [1, 4, 6, 7, 10, 13, 19, 20, 25, 30, 45, 48, ...
9. TypeError: list indices must be integers or slices, not tuple 10. TypeError: strptime() argument 1 must be str, not datetime.datetime 11. RecursionError: maximum recursion depth exceeded while calling a Python object 12. ImportError: attempted relative import with no known parent package ...
_int_array = np.array([1, 2, 3])# 使用浮点数作为索引(错误)print(my_list[float_index]) # TypeError: list indices must be integers or slices, not float# 使用NumPy整数数组作为索引(错误)print(my_list[np_int_array]) # TypeError: only integer scalar arrays can be converted to a scalar...
>>> a is b False >>> a == b True >>> 4.强制2个字符串指向同一个对象 sys中的intern方法强制两个字符串指向同一个对象 '''sys中的intern方法强制两个字符串指向同一个对象''' import sys a = 'abc%' b = 'abc%' print(a is b) # True ...