To print multiple variables using theprint()function, we need to provide the variable names as arguments separated by the commas. Note:print()function prints space after the value of each variable, space is the default value ofsep parameter– which is an optional parameter inprint() function, ...
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...
Below is an example code to explain the concept of using a string formatting operator to print a string and variable in Python. grade="A"marks=90print("John doe obtained %s grade with %d marks."%(grade,marks)) Output: The concatenation operator is denoted with the+sign. It takes two ex...
Printing the value of variables using printf() in Scala In this program, we will create the variables of different types and then we will print the value of variables using theprintf()function on the console screen. Scala code to print the value of variables using printf() function The sour...
技术标签: python基础语法 python1.print函数的基本使用: print(vaule,sep=’’,end=’\n’) value:值;sep:分隔符默认空格;end末尾默认换行 2.练习如下: 定义三个变量: (1)用三个print函数打印他们,结果是: (2)用一个print函数打印他们,中间用逗号的举例: 结果为: 因为在print函数里sep=’’......
#argv only read filename in first variable 例子: from sys import argv # import argv package in script, first, second, third = argv # unpack argv and spilt into 4 variables(you can define the no. of variables here) #python ex11.py 1st 2nd 3rd # run this command in CMD, argv expect...
ES.74: Prefer to declare a loop variable in the initializer part of a for-statement ES.74:尽量在循环变量初始化表达式中定义循环变量...将循环变量的作用域限制在循环之内。避免在循环之后将循环变量用于其他目的。...still visible here and isn't needed See also: Don't use a variable for two unr...
UnboundLocalError: local variable 'print' referenced before assignment 由此，我们可以推测，当函数体内对...
\n') Please enter the environment variable name: data >>> print(os.environ[env_var]) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/os.py", line 678, in __getitem__ raise KeyError(key)...
To assign the output of the `print()` function to a variable, remove the call to the function and assign the argument to the variable.