# indention

#p61
message= "hello world"
print(message) #IndentationError: unexpected indent

#p62
magicians = ['john', 'tom']

# python ./me.py ; cat -n me.py (check with number)
for i in magicians:
 print(i)

#p63 init list
many = list(range(1,11)) # via function list
many = [i for i in range(0,11)] # via [] and ret value may use 0
many = []; many[0]=0; many[1]=2 ... # init with empty

#p68 slice : means to
names=['john', 'mary', 'tom']
print(names[0:1]) #note: print only one items instead of index 0 and 1

names[1:] # 1 to end
names[:2] # start from index 0

#p76 indention
4 spaces
do NOT mix tab with spaces

chapter 5 if
#p82