Common built-in functions
1. Mathematics-related built-in functions:
abs: find the absolute value
divmod: find the quotient and remainder of two elements
max: find the maximum value
min: find the minimum value
pow: find the exponentiation
sum: use for summing
round: round up to the specified position
2. Iterable related built-in functions
all: Convert all elements to boolean values, all true, the value is true
any: as long as one element is converted to boolean value is true, the result is true
sorted: used for sorting
3. Conversion related:
bin: Convert the number to binary
Oct: Convert the number to octal
hex: Convert the number to hexadecimal
chr: Convert the character encoding to the corresponding character
ord: Convert the character to the corresponding
encoding eval: Execute the correlation in the Python string The program
repr: used to convert data into string form
4. Variable correlation:
globals: view all global variables
locals: view all local variables
5.
dir: point out all the methods and properties of the object exit: end the program ID
with the specified exit code : get the memory address of a data help: view the help documentation)
6. Input and output related:
print: print data
input: let the user enter content
7. Judgment related to the object:
isinstance: to determine whether an object is created by a class
isubclass: to determine whether a class is a subclass of another class