# print(abs(2)) # print(abs(-2)) # print(all([1,2,'1'])) # print(any([0,'',1])) # print(bin(3)) # #Empty, none, 0 boolean values are false, the rest are true # print( bool ( '' )) # name = ' hello ' # print(bytes(name,encoding = ' utf-8 ' ))#b ' \xe4\xbd\xa0\xe5\xa5\xbd ' 3 represents a word # print(bytes(name,encoding = ' utf-8 ' ).decode( ' utf-8 ' ))#decoding implementation output hello # print(bytes(name,encoding='gbk')) # print(bytes(name,encoding = ' gbk ' ).decode( ' gbk ' ))# The root cause of garbled characters is that encryption and decryption are not a code number # print(chr(65)) # print(dir(all))#Print all the specific methods of an object, for viewing # print (dir (dict)) # print(divmod( 10 , 3 ))#10 represents the total number of records, 3 represents 3 records per page, mainly used for paging #Hashable data types are immutable data types, and non-hashable data types are mutable data types # print(hash(123)) # print(hash('123')) # print(hash('123sdfa')) # name='tom' # print(hash(name))# Passing the variable name will not cause the hash of the data to be different # print(help(all))# How to print a variable # print(bin( 10 ))# Decimal to binary # print(hex( 12 ))# decimal to hexadecimal # print(oct( 12 ))# decimal to octal # print(isinstance(1,int)) # global name # name='cat' # print(globals())#Print all global variables of this machine, including cat # print(locals()) # def test(): # print (global ()) # # test() p=[1,3,6,2] print (min (p)) print(max(p))