The second week - the 12th chapter -Python3.5- use dictionaries - dictionaries practice

print ( '' '| --- Welcome to the address book program --- | 
| --- 1, query the contact information --- | 
| --- 2, insert a new contact --- | 
| - -3, deleting an existing contact --- | 
| ---. 4, address book program exit --- | '' ') 
the addressBook} = {# define contacts 
the while. 1: 
    TEMP iNPUT = (' enter instruction code : ') 
    IF not temp.isdigit (): 
        Print ( "instruction is entered by mistake, please follow the prompts to enter") 
        the Continue 
    Item = int (the TEMP) # is converted to digital 
    IF == Item 4: 
        Print ( "| --- thanks use address book program --- | ") 
        BREAK 
    name = the iNPUT (" Please enter the contact name: ") 
    IF == Item 1: 
        IF name in addressBook: 
            Print (name, ':', addressBook [name]) 
            the Continue 
        the else : 
            Print ( "the contact does not exist!"))
    if item==2:
        if name in addressBook: 
            Print ( "The name you entered already exists in the address book - >>", name, ":", addressBook [name]) 
            isEdit the INPUT = ( "whether to modify the contact information (Y / N) : ") 
            IF isEdit == 'the Y': 
                USERPHONE = iNPUT (" Please enter the contact phone: ") 
                the addressBook [name] = USERPHONE 
                Print (" contacts successfully modified ") 
                Continue 
            the else: 
                Continue 
        the else: 
            USERPHONE = iNPUT (" Please enter the contact telephone: ") 
            addressBook [name] = USERPHONE 
            ! Print (" contact to the success of ") 
            the Continue 

    IF == Item 3: 
        IF name in addressBook:
            del addressBook[name]
            print ( "deleted successfully!"))
            continue
        else:
            print ( "contact does not exist.")