pimento[~]$
pimento[~]$
pimento[~]$ cd cs21/practice/
pimento[practice]$
pimento[practice]$
pimento[practice]$
pimento[practice]$
pimento[practice]$
pimento[practice]$ atom stretch.py
pimento[practice]$ cd ../
pimento[cs21]$ cd inclass/week02/
pimento[week02]$ atom len_loop.py
pimento[week02]$ cd ../
pimento[inclass]$ cd ../practice/
pimento[practice]$ python3 stretch.py
Enter a string: weekend
w
e
e
k
e
n
d
pimento[practice]$ python3 stretch.py
Enter a string: weekend
ww
ee
ee
kk
ee
nn
dd
pimento[practice]$ python3 stretch.py
Enter a string: weekend
ww
wwee
wweeee
wweeeekk
wweeeekkee
wweeeekkeenn
wweeeekkeenndd
pimento[practice]$ python3 stretch.py
Enter a string: weekend
wweeeekkeenndd
pimento[practice]$
pimento[practice]$ python3
Python 3.5.2 (default, Nov 17 2016, 17:05:23)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>>
>>> import random
>>>
>>>
>>> coin = ["H","T"]
>>> type(coin)
<class 'list'>
>>>
>>> random.choice(coin) # input is a sequence
'H'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'T'
>>> random.choice(coin)
'T'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'T'
>>> random.choice(coin)
'H'
>>> random.choice(coin)
'H'
>>>
>>>
>>> letters = "hello"
>>> random.choice(letters)
'l'
>>> random.choice(letters)
'h'
>>> random.choice(letters)
'e'
>>> random.choice(letters)
'o'
>>> random.choice(letters)
'o'
>>> random.choice(letters)
'e'
>>> random.choice(letters)
'h'
>>> random.choice(letters)
'o'
>>> exit()
pimento[practice]$ cd ../
pimento[cs21]$ cd inclass/week03
pimento[week03]$ atom random_average.py
pimento[week03]$ python3 random_average.py
How many trials? 20
5
3
3
4
3
4
3
5
2
5
2
3
3
2
4
4
1
3
3
1
pimento[week03]$
pimento[week03]$
pimento[week03]$
pimento[week03]$ python3 random_average.py
How many trials? 20
61
pimento[week03]$
pimento[week03]$
pimento[week03]$
pimento[week03]$ python3 random_average.py
How many trials? 20
3.05
pimento[week03]$
pimento[week03]$
pimento[week03]$ python3 random_average.py
How many trials? 3
2.0
pimento[week03]$ python3 random_average.py 10
How many trials? 10
3.5
pimento[week03]$ python3 random_average.py
How many trials? 100
3.02
pimento[week03]$
pimento[week03]$
pimento[week03]$ python3 random_average.py
How many trials? 1000
3.019
pimento[week03]$ python3 random_average.py
How many trials? 1000000
3.001188
pimento[week03]$ python3
Python 3.5.2 (default, Nov 17 2016, 17:05:23)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>>
>>> result = True
>>> type(result)
<class 'bool'>
>>> result = False
>>> type(result)
<class 'bool'>
>>>
>>> 3 < 5
True
>>> type(3 < 5)
<class 'bool'>
>>>
>>>
>>> 3 < 2
False
>>>
>>>
>>> 3 == 2
False
>>> 3.0 == 3
True
>>> 3 != 2
True
>>> "hello" == "hello "
False
>>> "a" < "b"
True
>>>
>>> result = ("a" < "b")
>>> type(result)
<class 'bool'>
>>> result = 3 == 2
>>> result
False
>>>
>>>
>>> x = 10
>>> if x < 20:
...     print("hello")
...
hello
>>> x = 30
>>> if x < 20:
...     print("hello")
...
>>> exit()
pimento[week03]$
pimento[week03]$
pimento[week03]$ atom conditionals1.py
pimento[week03]$