[Tutor] addressbook program

[Danny Laya]

Hi I am making an addressBook program now, and you know ....... another error message , the program doesn't work. This is the code :

# Loading the addressbook
filename = "addbook.dat"

def readBook(book)
    import os
    if os.path.exists(filename):
    store = open(filename,'r')
    for line in store:
        name = line.rstrip()
        entry = store.next().rstrip()
        book[name] = entry
    store.close()

# Saving the address book
def saveBook(book):
    store = open(filename,"w")
    for name,entry in book.items():
        store.write(name +
 '\n')
        store.write(entry + '\n')
    store.close()

# Getting User Input 
def getChoice(menu):
    print menu
    choice = int(raw_input("Select a choice(1-4): "))
    return choice

# Adding an entry
def addEntry(book):
    name = raw_input("Enter a name: ")
    entry = raw_input("Enter a street, town and phone number: ")
    book[name] = entry

# Removing an entry
def removeEntry(book):
    name = raw_input("Enter a name: ")
    del(book[name])

#Finding an Entry
def findEntry(book):
    name = raw_input("Enter a name: ")
    if name in book:
        print name, book[name]
    else: print "Sorry, no entry for: ", name

#
 Quitting the program
def main():
    theMenu = '''
    1) Add Entry
    2) Remove Entry
    3) Find Entry
    4) Quit and save
    '''
    theBook = {}
    readBook(theBook)
    choice = getChoice(theMenu)
    while choice != 4:
        if choice == 1:
            addentry(theBook)
        elif choice == 2:
            removeEntry(theBook)
        elif choice == 3:
            findEntry(theBook)
        else: print "Invalid choice, try again"
        choice =
 getChoice(theMenu)
    saveBook(theBook)

# Call the main function
if __name__ == "__main__":
    main()
Help me guy's .... Some enlightenment and explanation about the wrong and how this program works  ...... I got this code from Alan Gauld tutorial in Handling Files part.

And o...yeah the error message is :

 File "addressbook.py", line 4
    def readBook(book)
                     ^
SyntaxError: invalid syntax





      


      
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