2524.sagews

a=5

a

5

2==2

True

2>3

False

2**3

8

2^3

8

5/2

5/2

5//2

2

18%5

3

012

10

09

Traceback (most recent call last): File "<stdin>", line 1, in <module> File "_sage_input_12.py", line 10, in <module> exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8 -*-\\n" + _support_.preparse_worksheet_cell(base64.b64decode("MDk="),globals())+"\\n"); execfile(os.path.abspath("___code___.py"))' + '\n', '', 'single') File "", line 1, in <module> File "/tmp/tmpFwYYbX/___code___.py", line 2 _sage_const_09 = Integer(09) ^ SyntaxError: invalid token

sin?

File: /usr/local/sage2/local/lib/python2.6/site-packages/sage/functions/trig.py

Type: <class ‘sage.functions.trig.Function_sin’>

Definition: sin(*args, coerce=True, hold=False, dont_call_method_on_arg=False)

Docstring:

The sine function.

EXAMPLES:

sage: sin(0)
0
sage: sin(x).subs(x==0)
0
sage: sin(2).n(100)
0.90929742682568169539601986591
sage: loads(dumps(sin))
sin

def is_even(n):
    return n%2==0

is_even(2)

True

is_even(123)

False

def is_divisible_by(number,divisor=2):
    return number%divisor==0

is_divisible_by(123,5)

False

is_divisible_by(123)

False

def myfunction(x):
  if x<0:
     return -1
  elif x==0:
     return 0
  else:
     return 1

myfunction(-2)

-1

myfunction(0)

0

myfunction(3)

Traceback (most recent call last): File "<stdin>", line 1, in <module> File "_sage_input_8.py", line 10, in <module> exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8 -*-\\n" + _support_.preparse_worksheet_cell(base64.b64decode("bXlmdW5jdGlvbigzKQ=="),globals())+"\\n"); execfile(os.path.abspath("___code___.py"))' + '\n', '', 'single') File "", line 1, in <module> File "/tmp/tmpoCGE4A/___code___.py", line 3, in <module> exec compile(u'myfunction(_sage_const_3 )' + '\n', '', 'single') File "", line 1, in <module> NameError: name 'myfunction' is not defined

money=10000

years=0

while money<20000:
   years=years+1
   money=money*1.069

years

money