if True:
    print("true")
else:
    print("false")

x = input("輸入數字：")
x = int(x)

if x > 200:
    print("大於 200")
elif x > 100:
    print("大於 100， 小於等於 200")
else:
    print("小於等於 100")

n1 = int(input("輸入數字一："))
n2 = int(input("輸入數字二："))
op = input("輸入運算：+, -, *, /")

if op == "+":
    print(n1 + n2)
elif op == "-":
    print(n1 - n2)
elif op == "*":
    print(n1 * n2)
elif op == "/":
    print(n1 / n2)
else:
    print("沒有這運算符號")

# 條件為真, 反回真 否則 反回假
# condition_is_true if condition else condition_is_false

is_fat = True
state = "fat" if is_fat else "not fat"
print(state)

#(反回假, 反回真)[真或假]
#(if_test_is_false, if_test_is_true)[test]

fat = False
fitness = ("skinny", "fat")[fat]
print("Ali is", fitness)