a = 1    # type of a is "int"
print(type(a))

b = 2.0    # type of b is "float"
print(type(b))

c = '3'    # type of c is "str"(String)
print(type(c))

# list
d = range(10)    # type of d is "List"
print(d)
print(type(d))