L = [1, 2, 3, 'hello'] # list with [], stored at linked lists probably
D = {'last':'Kinne', 'first':'Jeff', 'height':'188'} # dictionary/hash table
#     key  : value
D['number'] = 42

for x in L:
    print(x)

for key in D:
    print(D[key])

T = (1, 2, 3, 'hello') # tuple - like a list, but immutable

# arbitrary precision integers
print(2**120)

import math
print(math.sin(math.pi))

from math import cos

print(cos(math.pi))

from sys import *

f = open('otherPythonStuff.py', 'r')
count = 0
for line in f:
    #print(line)
    count += 1
f.close()

f = open('otherPythonStuff.py', 'r')
print(len(f.read()))
f.close()


# command line args - look it up


# note - run-time errors don't happen until you run, python is interpreted

print(notAVar)

# run this file on the command line with
# python3 otherPythonStuff.py

# note - python is different than python3


# quit() to quit