自学Python从入门到放弃，11

练习

1. 编写一系列条件测试；将每个测试以及你对其结果的预测和实际结果都打印出来。

Fruits = ['apple','banana','mango','orange']
for Fruit in Fruits:
  if Fruit =='peach':
    print(Fruit.upper())
  else:
    print(Fruit.title())
Apple
Banana
Mango
Orange
>>>   

2. 详细研究实际结果，直到你明白了它为何为 True 或 False。

>>> Fruit='apple'
>>> Fruit=='apple'
True
>>> Fruit=='banana'
False
>>> 

3. 建立测试，测试其中结果-。

>>> Fruit='Banana'
>>> Fruit=='banana'
False
>>> Fruit.lower()=='banana'
True
>>> print(Fruit)
Banana
>>> 

4. 如果你想尝试做更多的比较，可再编写一些测试，

>>> Fruit='apple'
>>> n = 'banana'
>>> if Fruit != n:
	print(n,'is not apple.')

banana is not apple.
>>> 

5. 检查特殊元素

Fruits = ['apple','banana','mango','orange']
for Fruit in Fruits:
  if Fruit =='banana':
    print(Fruit)
    print('I like eat',Fruit,'.\n')
  else:
    print(Fruit)
    print('I dislike eat',Fruit,'.\n')
print('\nI like a lot of fruits.')

apple
I dislike eat apple .

banana
I like eat banana .

mango
I dislike eat mango .

orange
I dislike eat orange .


I like a lot of fruits.
>>>