review for final | Python Fiddle

# fIn = file (in) fOut = file (out)

fIn = open("file.txt","r")
## opening a file for read.

## read line by line
for line in fIn:
    print line
## file name is fIn

## how to turn string to int func. or float

myInt = int(myString)

## string to Floating point / myFloat = float(my String)

## how to trap Convertion errors

try:
    myInt = int(myString)
except:
    print "Error"
    
## write to consle 
print

## using else, if, elif statments

if myInt > 0:
    print "positve"
elif myInt < 0:
    print "negitve"
else myInt = 0:
    print "Zero"

## creating a list Data type and add value
## sqaure brackets = lists

myList = []
myList.append(3)

## Fuctions that use list as arguments
# max, min, sum, count

## how to use a dictionary data type

myDict = dict()
myDict["E12345"] = myInt

for key in myDict:
    print myDict[key]

## key referance the value
fIn = open("file.txt" , "w")

## how to write to the open file

fIn.write("hello world")

## how to close the file thats open

fIn.close()

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