```python
import random
def guess_number_game():
number_to_guess = random.randint(1, 100)
num_guesses = 0
print("Welcome to the Guess the Number Game!")
print("I'm thinking of a number between 1 and 100. Can you guess it?")
while True:
guess = int(input("Enter your guess: "))
num_guesses += 1
if guess < number_to_guess:
print("Too low. Try again!")
elif guess > number_to_guess:
print("Too high. Try again!")
else:
print(f"Congratulations! You guessed the number in {num_guesses} tries.")
break
guess_number_game()
```
这个程序会随机生成一个1到100之间的整数,然后提示用户猜这个数是多少。用户每次输入一个数字,程序会根据这个数字与随机数的大小关系给出提示,直到用户猜对为止。