#Tuple variable name=() The tuple is parentheses and cannot be modified
List variable name=[] The list can be modified using the [] sign
Access the tuple to get the data by the index
. The subscript of the tuple is out of bounds
count. Count the number of occurrences.
Query the index index. If the index is present, return the index and report an error . Tuple
cannot be modified (immutable) . Group dictionary variable name={key:value,key2:vlaue} key (key): value (value) does not find the corresponding key info add if the key value is found, assign a value to it, if not, add the key and delete the value from the dictionary Query the length of the dictionary to loop through all the keys to take out the value in the dictionary for loop traversal to get the key value enumerate keyword traversal
