int print(type(123)) # float print(type(12.3)) # string print(type('123')) # print(type('안녕')) # list print(type([])) # print(type([1, 2, 3, 4, 5])) # dictionary print(type({})) # tuple print(type(())) # None print(type(None)) # ex1) arr=np.array([123]) print(arr.dtype) # ※ 시스템에 따라 32, 64 부분 다름. ex2) arr=np.array([1,2,3]) print(arr.dtype) # ex3) arr=np.array([1.1,2.1,3.1]) print(arr.dtype) # ex4..