Python 3.7.9 (default, Aug 31 2020, 17:10:11) [MSC v.1916 64 bit (AMD64)]
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IPython 7.18.1 -- An enhanced Interactive Python.
Restarting kernel...
In [1]: runfile('G:/UBCO/2020-2021/Python/20200930/nested_structures.py', wdir='G:/UBCO/2020-2021/Python/20200930')
1
0
0.20000000000000018
0
Invalid entry: n is noninteger.
n = -4
n! = 1
n = 13
n! = 6227020800
[ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25]
[1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000, 6402373705728000, 121645100408832000, 2432902008176640000, 51090942171709440000, 1124000727777607680000, 25852016738884976640000, 620448401733239439360000, 15511210043330985984000000]
Enter an integer start value: 20
Enter an integer end value: 80
In [2]: