In Python def keyword is used to create, (or define) a function. With function, you can break the program into smaller and modular chunks.
def Keyword is placed before a function name that is provided by the user to create a user-defined function.
def function_name:
statements...def keyword in Python
Simple example code.
def my_function():
print("Hello from a function")
my_function()
Output:
Parameters (arguments) through to a function. It’s optional.
def greet(name):
"""
This function greets to
the person passed in as
a parameter
"""
print("Hello, " + name + ". Good morning!")
greet('JOHN')Output: Hello, JOHN. Good morning!
The return statement is used to exit a function and go back to the place from where it was called.
def absolute_value(num):
"""This function returns the absolute
value of the entered number"""
if num >= 0:
return num
else:
return -num
print(absolute_value(2))
print(absolute_value(-4))Do comment if you have any doubts or suggestions on this Python keyword topic.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
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