《Python从入门到实践》--第五章用if语句 课后练习

#!usr/bin/python
# _*_ coding:utf-8 _*_
motocycles = ["ducati","kawasaki","honda","bmws1000rr","cbr1000","suzuki"]
car = "bmws1000rr"
print("Is car == bmw s1000rr?,I predict is True")
print(car == "bmws1000rr")

print("\n car == dudi?I predict False")
print(car == "audi")


string_1 = "kawaski"
string_2 = "honda"
if string_1 != string_2:
    print("Yeah!")
else:
    print("No,It equals it")

    
string_3 = "ducati"
if string_3 != "ducati":
    print("Yeah")
else:
    print("No,It equals it")


if string_1 and string_1 == "ducati":
    print("Yeah")
else:
    print("No,It equals it")


if string_1 or string_1 == "ducati":
    print("Yeah")
else:
    print("No,It equals it")
    

if string_3 in motocycles:
    print("Yeah")
if string_3 not in motocycles:
    print("Yeah")