# ### casts container type data (STR SET dict List tuple)
# STR turn into strong string type
# (data container types / Number of data types are)
var1 = "happy every day"
var2 = [. 1, 2,3]
var3 = (4,5,6)
var4 = { "beautiful", "store name personal"}
var5 = { "A":. 1, "B": 2, "C":}. 3
var6 = 123
strong # string rotation law: is pure in quotation marks on both sides of the original data
RES = STR (var2)
RES = STR (var3)
RES = STR (var5)
RES = STR (var6)
# Print (RES, type (RES ))
# repr string of the output data of the prototype (see quotes like with repr conversion)
Print (repr (RES), type (RES))
# list strong law transfer list:
'' '
If a string: the character each character string as a new element into the list
if other data: the original identifier is simply replaced by []
'' '
RES = list (var1) # [' fast ',' happy ',' each','A', 'day']
RES = List (var3)
RES = List (var4)
res = list (var5) # [ 'a', 'b', 'c'] dictionary when strong turn, retains the key, discarding the value
# RES = List (var6) # error
Print (RES)
# tuple tuple turn strong law
"" "
If a string: the string of each character as a new element into the tuple
if other data: that is, simply replace the original identifier () tuples can become
" " "
RES = tuple (var1) # ( 'fast', 'happy', 'every', 'a', 'day')
RES = tuple (var2)
RES = tuple (var5) # ( 'a', 'B' , 'c') # dictionary when strong turn, retains the key, discarding the value
Print (RES)
# sET switch set strong law
"" "
If a string: the character string as each new element into the collection in
If other data: the identifier is simply replaced by the original can be set becomes {}
"" "
RES = sET (var1) # because disordered, the string is broken
res = set (var2) # { 1 , 2,3}
RES = SET (var5) # dictionary when strong turn, retains the key, discarding values,Key, reorder
Print (RES)
# duplicates filter list
listvar = [1,2,3,4,5,5,6,7,6]
Container = SET (listvar)
Print (Container)
container = list(container)
print(container,type(container))