print(f"整型为{data},浮点型为{data2},字符串为{data3}") #格式f/F"{variable_name},{variable_name},{variable_name}" print(f"整型为{data:4},浮点型为{data2:4},字符串为{data3:4}") #f/F{variable_name:宽度} print(f"整型为{data:<4}, 浮点型为{data2:<4}, 字符串为{data3:<4...
echo print() printf() print_r() echo 可以一次输出多个值，多个值之间用逗号分隔。echo是语言...
在尝试打印 undefined_variable 的值时,由于该变量从未被定义,Python 解释器会引发 NameError 异常。...这个异常被 try-except 块捕获,并打印出错误消息。 SyntaxError 在 Python 中,SyntaxError 异常是一个内置异常类型,用于指示代码中存在语法错误。...案例 # 这是一个包含语法错误的Python代码示例 # 定义一个函数...
"print(my_variable)```- 打印多个变量：```pythona = 5b = 10print("a:", a, "b:", b)...
print(输出的对象,sep=''设定的分隔符如果不设置默认为空格分割,end=''设定输出以什么结尾默认为换行,file=表示数据输出的文件对象),如下所示: # -*- encoding: utf-8 -*- """ File variable1.py Created on 2022/9/30 9:33 Copyright (c) 2022/9/30 ...
print my_variable ```- 打印多个变量：```python a = 5 b = 10 print "a:", a, "b:", ...
print(a) print(b) print(list1) 10 20 [1, 2, 3] Variable Names We can use differentvariable namesin python programming. This can be one letter like a, b, x etc., one more letter or a combination of letters, digits and underscore character (_). ...
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 这里发生了很多事情。这个类现在有三个方法。move方法接受两个参数x和y,并在self对象上设置值,就像前面示例中的旧reset方法一样。旧的reset方法现在调...
inner_function()# print the value of the global variableprint(global_var)# call the outer function and print local and nested local variablesouter_function() Run Code Output 10 20 30 In the above example, there are three separate namespaces: the global namespace, the local namespace within ...
>>> print(x + "!") This is a string! However, it is not good practice. To avoid mistakes, try to avoid overwriting the same variable with different data types. 然而,这不是一个好的做法。为了避免错误,尽量避免使用不同的数据类型覆盖相同的变量。