Difference Between Argument And Parameter In Python
distinguishing between argument and parameter in Python
Difference Between Argument And Parameter In Python
In Python, a parameter is a variable listed in the function definition and used to hold an argument value when the function is called. An argument, on the other hand, is the actual value that is passed to the function when it is called. In other words, parameters are placeholders defined in a function signature, while arguments are the actual values provided to the function during its invocation. This distinction is important to understand as it helps in defining the function behavior accurately and passing the necessary information required for the function to execute correctly.
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1 - In Python, a parameter is a variable listed in the function definition and is used to hold a value that is passed to a function when it is called. An argument, on the other hand, is the actual value that is passed to the function when it is invoked.
2) Parameters are placeholders defined within the function, while arguments are the actual values passed to the function.
3) Parameters are part of the function signature, defining the inputs that the function can accept. Arguments are the values supplied to these parameters during function invocation.
4) Parameters are used to define the input requirements of a function, while arguments are used to supply values to these parameters.
5) An example could be a function defined as “def greet(name):” where “name” is a parameter. When the function is called as “greet('Alice')”, ‘Alice’ is the argument passed to the function.
6) Parameters are optional when defining a function, while arguments are mandatory when calling a function that requires parameters.
7) In Python, the number of arguments passed to a function must match the number of parameters defined in the function signature. Otherwise, a TypeError may occur.
Based on these distinctions, a training program for students could include exercises and examples that demonstrate the usage of parameters and arguments in functions to help them understand and apply this concept effectively in Python programming.
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