python随机数和比较

Question

我是一名新程序员，刚开始使用 Python。我有以下 2 个问题，但是，我决定将它们放在一个帖子中。

1. 当要求输入年龄时，如何强制程序只接受数字？

2. 这个概念是，在用户输入他们的年龄后，程序会选择 1 到 100 之间的随机数并将其与用户输入进行比较，返回“我比你大”、“我“比你小”或“我们同龄”。

   # Print Welcome Message
   print("Hello World")
   # Ask for Name
   name = input("What is your name? ")
   print("Hello " + str(name))
   # Ask for Age
   age = input("How old are you? ")
   print("Hello " + str(name) + ", you are " + str(age) + " years old.")
   random.randint(1, 100)
   

Answer 1

尝试以下操作

import random
# Print Welcome Message
print("Hello World")
# Ask for Name
name = input("What is your name? ")
print("Hello " + str(name))
# Ask for Age
while True:   # only numbers
    try: 
        age = int(input("How old are you? "))
    except:
        pass

print("Hello " + str(name) + ", you are " + str(age) + " years old.")
t=random.randint(1, 100)
if t==age:
    print("we are the same age")   #compare ages
if t<age:
    print("I'm younger than you")
if t>age:
    print("I'm older than you")