1, plastic int
Definition: age =10 # age = int (10)
Used for identification: age, grade, ID number, qq number, number.
2. Floating point floating point number
Definition: salary = 3. 1 # salary = floating (3. 1)
Used to identify: salary, height and weight.
3. Character channeling
# In python, quoted characters are string types, and python has no character types.
Definition: name='egon' #name=str('egon')
Used for identification: descriptive content, such as name, gender, nationality and race.
4. Boolean Boolean