python
Here is a basic Python function print('Hello')
python .
Python is a programming language.
Nothing more, nothing less.
python
class PrintHello:
def printnow(self, message):
self.message = message
print(message)
printer = PrintHello()
printer.printnow("hey")
#completely useless
python
n = int(input('Type a number, and its factorial will be printed: '))
if n < 0:
raise ValueError('You must enter a non negative integer')
fact = 1
for i in range(2, n + 1):
fact *= i
print(fact)
none
>>> # this example show how to retrieve elements of a sequence
>>> "ABCD"[0]
'A'
>>> [0, 1, 2][1]
1
>>> ("ABC", "DEF", "GHI")[1]
'DEF'
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