Python 3.2 (r32:88445, Feb 20 2011, 21:29:02) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> ================================ RESTART ================================
>>> 
>>> ================================ RESTART ================================
>>> 
>>> countA("ATTAGCGAGGAT34")
4
>>> print("Hello")
Hello
>>> countA(123)
Traceback (most recent call last):
  File "<pyshell#4>", line 1, in <module>
    countA(123)
  File "F:\PhDTBF\Comp.Think.4.Bio\1Python basics\basics1\basics_countA.py", line 4, in countA
    for base in dna:
TypeError: 'int' object is not iterable


Python 3.2 (r32:88445, Feb 20 2011, 21:29:02) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> ================================ RESTART ================================
>>> 
>>> GC_content("ATTAGTCGCGAT")
41.666666666666664
>>> GC_content(4565)
Traceback (most recent call last):
  File "<pyshell#1>", line 1, in <module>
    GC_content(4565)
  File "F:\PhDTBF\Comp.Think.4.Bio\1Python basics\basics1\basics_CG.py", line 16, in GC_content
    A = dna.count("A")
AttributeError: 'int' object has no attribute 'count'
>>> GC_content("4565")
Traceback (most recent call last):
  File "<pyshell#2>", line 1, in <module>
    GC_content("4565")
  File "F:\PhDTBF\Comp.Think.4.Bio\1Python basics\basics1\basics_CG.py", line 20, in GC_content
    return 100*(C+G)/(A+T+C+G)
ZeroDivisionError: division by zero
>>> ================================ RESTART ================================
>>> #countA with and without functions
please enter a dna sequence
ATGGTAC
42.857142857142854
End1 #before definition of function
End2 #after definition of function
>>> ================================ RESTART ================================
>>> 
please enter a dna sequence
ATTAGAC
28.571428571428573
End1
End2
>>> GC_content("AGGCGT")
CG function
66.66666666666667
>>> 

>>> 2**0.5
1.4142135623730951
>>> 9**0.5
3.0
>>> 2**2
4
>>> 0.6**2
0.36
>>> ================================ RESTART ================================
>>> 
>>> state(23, 34, 36, 80)
Liquid
>>>