# this is a comment and will not run in the code

'''this is just a mulit line comment'''

pwd

#addition
2+1

# substraction
2-1

1-2

2*2

3/2

3.0/2

float(3)/2

3/float(2)

from __future__ import division
3/2

1/2

2/3

root(2)

sqrt(2)

4^2

4^.5

4**.5

a=5

a=6
a+a

a

0.1+0.2-0.3

'hello'

'this entire thing can be a string'

"this is using double quotes"

print 'hello'

print("hello")

s='hello'

s

len(s)

print(s)

s[3]

s[10]

s[5]

s[2:4]

z*10

letter='z'
letter*10

letter.upper()

letter.center('z')

print 'this is a string'

"""
Explanation: markdown test, i can write normal text here and it will not run as code!
End of explanation
"""


s = 'STRING'
print 'place another string with a mod and s: %s' %(s)

from __future__ import print_function

print('hello')

print('one: {x}'.format(x='INSERT'))

"""
Explanation: strings yoiu can use the %s to format strings into your print statements
End of explanation
"""


