age = 31 #this is a comment
"""How do these "comments" work? Are they comments?"""name = 'Byran Zaugg' #string
newline = "Line one\nLine Two" #string with escape characters
multiline = """
I can have as many line in here
as I want. Just keep "typing" away,
as much as you want.
"""
age = 31 #int
temperature = 98.6 #float
male = True #boolean###Type Casting
print int("34")
print repr("34")print 1 + 1
print 1 - 2
print 4 * 2
print 4 / 2
print i += 1
print 1 % 5 # modprint "\tTab"
print "New\nLine"
print "Escaped\\Slash"print "How old are you?",
age = raw_input()
print "You are %s years old." % age
age = raw_input("How old are you? ")
print "You are %s years old." % age
print "How old are you?"
input_with_prompt = raw_input("> ")
print "You are %s years old." % input_with_promptfrom sys import argv
script, first, second, third, = argv
print "The script is called:", script
print "Your first argument is:", first
print "Your second argument is:", second
print "Your third argument is", third
file = open(filename, "w") # write
file2 = open(filename, "r") #read
file_data = file.read()
file.close()
print file_dataprint "Let's talk about %s." % name
print "one line"
print "one",
print "line"
print "two"
print "lines"
file = open(filename, "w") # write
file.truncate()
file.write("line 1")
file.write("\n")
file.write("line 2\n")
file.write("line 3")
file.close()if 1 > 10:
print "Test"
elif 3 == 5:
print "Foo"
else:
print "all done"print 1 == 1
print 2 > 1
print 3 >= 3
print 4 < 5
print 5 <= 5
print 6 != 7from sys import argv
print argv[0]
print argv[1]
print argv[2]
print argv[3]
for i in argv:
print i
list = "one", "two", "three"
numbers = []
numbers.append(2)
numbers.append("three") # ???
print len(numbers)
list = string.split(' ')
print string.pop()
' '.join(list)states = {'CA': 'Califonia',
'UT', 'Utah',
'ID', 'Idaho'}
states['AZ'] = 'Arizona'
state = 'AZ'
if state in states:
print states[state]
def my_function(dict, key):
return dict[key]
states['_some_funciton'] = my_function
print states['_some_funciton'](states, 'CA')
#or
return_funciton = states['_some_funciton']
print return_funciton(states, 'CA')list = "one", "two", "three"
for i in list:
print list + "\n"
while i < 6:
print "At the top of the list is %d" % i
i = i + 1while True:
# ...
breakdef function_name():
"""We can have descriptions of functions inline"""
print "This is a function"def function_name2(*args):
arg1, arg2, arg3 = args
print arg1
def function_name3(arg1, arg2):
print arg1
function_name3("test", "foo")def add(a, b):
return a + b
print add(2, 4)print "Let's talk about %s." % name
print "I am %d years old." % 31
print "He's got %s eyes and %s hair." % (eyes_color, "brown")
print "If I add %d, %d, and %d I get %d." % (
age, height, weight, age + height + weight)
print "one " + "two " + three #contationation
print "Here are the days:", days #spaced contationation
print "." * 10 #repeats string 10 times
print('%(language)s has %(number)03d quote types.' %
{'language': "Python", "number": 2})###Formatter
formatter = "%r %r %r %r"
print formatter % (1, 2, 3, 4)
print formatter % ("one", "two", "three", "four")
print formatter % (True, False, False, True)
print formatter % (formatter, formatter, formatter, formatter)
print formatter % (
"I had this thing.",
"That you could type up, right.",
"But it didn't sing.",
"So I said goodnight."
)###String Formatting/Interpolation
print repr("hi") # $r - formal representation
print str("hi") # %s - informal representationimport sys
print sys.argv
from sys import argv
print argv
import python_file # python_file.py
print python_file.method_name("test")class MyClass(object):
def __init__(self):
self.number = 0
a = MyClass()class MyClass(object):
def __init__(self):
self.number = 0
def some_funct(self):
print "I got called."
def add_me_up(self, more):
self.number += more
return self.number
a = MyClass()
b = MyClass()
a.some_funct()
b.some_funct()
print a.add_me_up(20)
print a.add_me_up(20)
print b.add_me_up(30)
print b.add_me_up(30)
print a.number
print b.number