EX_List_01

# List - a single variable contain one or more data 

name = [ "ann", "john", 'mary' ]

print(name)
print( name[0], '\t', name[-1])
print( type( name) )
print( len( name) )

# List - Append
name.append('david')
print( '\n', name )
print(name[0],'\t', name[-1])
print(len( name ) )

# List - Insert
name.insert( 2,'bell' )
print( '\n', name)
print( name[0], '\t', name[2], '\t', name[4], name[-1] )
print( len( name ) )

# List - Edit data
print( '\nBefore :')
print( name )
for i in range( 0, len( name ) ):
    print(f"{ i+1:>3}", '\t', f"{name[ i]:>12}")
name[1] = 'cathy'
name.append( [ 'Albert', 'Susan' ] )
print( 'After :' )
print( name )
for i in range( 0, len( name ) ):
    #print( type( name[ i ] ) )
    if str(type( name[ i ] )) == "<class 'list'>":
        Name = name[ i ]
        for j in range( 0, len( Name )):
            print(f"{i+1:>3}:",f"{j+1:>3}",'\t', f"{Name[j]:>12}")
        
    else:
     #   pass
        print( f"{ i +1:>3}",'    \t', f"{name[i]:>12}")