Calling a function in Python involves using a function multiple times in a program to avoid repetition during the code execution. It is done by using thedefkeyword followed by the function name. In this blog, you will learn how to call a Python function in detail and how to create and bu...
Written By Srinivasa Program Python Published Nov 18, 2020 Let me create a module with two functions and Add Multiply I call this module as prog1.py Prog1.py consists of the following code: # prog1.py def add(x,y,z): return (x+y+z) def multiply(x,y): return (x * y) Let ...
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In Python 2.x The following example makes use of the iteritems() function to get a variable name as a string in Python. 1 2 3 4 5 6 # Python 2 code x = 7 x = [ i for i, a in locals().iteritems() if a == x][0] print("The variable name:", x) The above code pr...
With Python, you can easily read and write files to the system. To read a file in Python, you can use theopen()function. Reading a File In Python, you can read a file using theopen()function. The following code example demonstrates how to read a file in Python: ...
Fixing the “Function is Not Defined” Error in Python Here are 4 effective ways to troubleshoot and fix this error: 1. Check Function Name Spelling Double-check that you spelled the function name correctly everywhere you referenced it. Python sees print_greeting and print_greting as two diffe...
You can then call the function by either of the two names, func or another_name, as shown on lines 5 and 9.You can display a function to the console with print(), include it as an element in a composite data object like a list, or even use it as a dictionary key:Python >>>...
This tutorial will introduce how to find the hostname in Python. Use thegethostname()Method to Find the Hostname of a Machine in Python Thegethostname()function is used to return a string containing the machine’s hostname value on which the Python interpreter is currently executing. ...
Convert String to Variable Name Usingexec()in Python In Python, one of the more advanced and powerful capabilities is the execution of Python code contained in a string using theexec()function. This can include dynamically creating variables from strings, a technique that, while useful in certain...
The wordprintis a Function inPython. What is a function? A function is a block of code that can perform a specific action. In addition to this, these block of code doesn't execute until you call or invoke the function. Majorly functions are created with the hope that we will use the...