Functions in Python (def)

Simple Hello-name function in Python

def hello_name(name):
    return 'Hello ' + name + '!'

To execute:

print(hello_name('Peter'))

The output will be:

Hello Peter!

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Other examples of functions in Python:



def string_times(str,n):
    return str * n
or...



def first_last6(nums):
    if nums([0]) == 6 or nums[-1] == 6:
        return True    else:
        return False
or... 



def sleep_in(weekday,vacation):
    if weekday == False or vacation == True:
        return True    else:
        return False
or (simplified from above)... 



def sleep_in2(weekday,vacation):
    if not weekday or vacation:
        return True    else:
        return False
or...



def first_last6(nums):
    if nums([0]) == 6 or nums[-1] == 6:
        return True    else:
        return False