$ex3.py 源码
print ("I will now count my chickens:")
print ("Hens", 25 + 30 / 6)
print ("Roosters", 100 - 25 * 3 % 4)
print ("Now I will count the eggs:")
print (3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6)
print ("Is it true that 3 + 2 < 5 - 7?")
print (3 + 2 < 5 - 7)
print ("What is 3 + 2?", 3 + 2)
print ("What is 5 - 7?", 5 - 7)
print ("Oh, that's why it's False.")
print ("How about some more.")
print ("Is it greater?", 5 > -2)
print ("Is it greater or equal?", 5 >= -2)
print ("Is it less or equal?", 5 <= -2)
print ("This is a Float number:", 4.5*2.7)
输出结果：
I will now count my chickens:
Hens 30.0
Roosters 97
Now I will count the eggs:
6.75
Is it true that 3 + 2 < 5 - 7?
False
What is 3 + 2? 5
What is 5 - 7? -2
Oh, that's why it's False.
How about some more.
Is it greater? True
Is it greater or equal? True
Is it less or equal? False
This is a Float number: 12.15
Pathon数学运算符
- + plus 加号
- - minus 减号
- / slash 斜杠
- * asterisk 星号
- % percent 百分号
- < less-than
小于号
- > greater-than
大于号
- <=
less-than-equal 小于等于号
- >=
greater-than-equal 大于等于号
