开发笔记:python随笔6(用户输入input())

message = input("Tell me something:")
print(message)

Tell me something:hello everyone!
hello everyone!

name = input("please enter your name:")
print("Hello," + name + "!")

please enter your name:AAAz
Hello,AAAz!

prompt = "If you tell us who you are,we can personalize the messages you see."
prompt += "
What is your first name? "
name = input(prompt)
print("
Hello," + name + "!")

>>> age = input("How old are you? ")
How old are you? 21
>>>age
‘21‘

>>> age = input("How old are you? ")
How old are you? 21
>>> age >= 18
Traceback (most recent call last):
File "",line 1, in
TypeError: unorderable types: str() >= int()

>>> age = input("How old are you? ")
How old are you? 21
>>> age = int(age)
>>> age >= 18
True

height = input("How tall are you,in inches? ")
height = int(height)
if height >= 160:
print("
You are tall enough to ride!")
else:
print("
You‘ll be able to ride when you‘re a little older.")

>>> 4 % 3
1
>>> 5 % 3
2
>>> 6 % 3
0

number = input("Enter a number, and I‘ll tell you if it‘s even or odd: ")
number = int(number)
if number % 2 == 0:
print("
The number " + str(number) + " is even.")
else:
print("
The number " + str(number) + " is odd.")