Python Basic [14 March]

Jupyter Notebook with Anaconda

Keyboard Shortcuts

Y - Code
M - Markdown

Cmd + Enter - Run selected cell
Shift + Enter - Run selected cell and move to the next cell

A - Insert a cell above
B - Insert a cell below
DD - Delete selected cell

append vs extend

Slicing

Selection

Range

Map & Lambda

Remove Duplicates

Dictionary

pprint (Data Pretty Printer)

Sigma Calculator

Function Arguments

None of the arguments have default values
All arguments have default values
Arguments with default values must be placed at the end

Global / Local Variables

String

Zip

Split Lists into N Chunks

File r/w/a

Input

Time Delays

Date Time Format

Random

Condition

Filtering Data

File Extension Checker

Advanced Write File Loop

Phonebook project

phonebook = {
                0: {'Name': 'Kim', 'Phone': '45648733'},
                1: {'Name': 'Lee', 'Phone': '89376333'},
                2: {'Name': 'Park', 'Phone': '36457818'},
                3: {'Name': 'Chung', 'Phone': '76891234'},
                4: {'Name': 'Choi', 'Phone': '67451237'}
            }

def list_phonebook(d):
    """List member in phone book."""
    for pid in d:
        print('\nPID: ', pid + 1)
        for p_info in d[pid]:
            print(p_info + ':', d[pid][p_info])

def add_member(d):
    """Add a new member to the phone book."""
    print('\nEnter the information of the member')
    name = input("Name: ")
    phone = input("Phone: ")
    name_check = False
    for pid in d:
        if name == d[pid].get('Name'):
            name_check = True
    if name_check is True:
        print('\n# The member is already in the phone book.')
    else:
        d[len(d)] = {'Name': name, 'Phone': phone}
        print('\n# The phone number has been added to the phone book.')

def delete_member(d):
    """Delete a member from the phone book."""
    print('\nEnter the name')
    name = input('name: ')
    for pid in d:
        if name == d[pid].get('Name'):
            del d[pid]
            print("\n# The number has been deleted.")
            return d
    print("\n# The member is not in the phone book.")

def mainmenu():
    while True:
        menu = input("""
        ----MAIN MENU----
        1: List phonebook
        2: Add a new member
        3: Delete a member
        4: Program exit
        Please enter your choice: 
        """)

        if menu == '1':
            list_phonebook(phonebook)
        elif menu == '2':
            add_member(phonebook)
        elif menu == '3':
            delete_member(phonebook)
        elif menu == '4':
            print("#EXIT!")
            break
        else:
            print("\n Menu cannot be found")

mainmenu()