Python-数据类型-浮点类型

 1 # 开发时间：2022/1/26 11:33
 2 
 3 a = 3.14159
 4 print(a, type(a))
 5 n1 = 1.1
 6 n2 = 2.2
 7 n3 = 2.1
 8 
 9 print(n1+n2)
10 from decimal import Decimal
11 print(Decimal('1.1')+Decimal('2.2'))
12 
13 print(n1+n3)