code: def test_tokenizer1():
      prompt = """Here is an example of how to write a Python program to generate the Fibonacci sequence:
      
      
      
      
      def fib(n):
          a, b = 0, 1
          if n == 0 or n == 1:
              return a
          for i in range(n-2):
              a, b = b, a+b
          return b
      
      for i in range(10):
          print(fib(i))
      This program defines a function called fib that takes an integer n as input and returns the nth Fibonacci number. The function uses two variables a and b to keep track of the current and previous Fibonacci numbers.
      
      The first two lines of the function check if n is either 0 or 1, in which case the function returns 0 or 1 respectively. If n is greater than 1, the function iterates over the range of integers from 2 to n-1, adding the previous two Fibonacci numbers to get the current Fibonacci number. Finally, the function returns the last Fibonacci number calculated.
      
      In the main part of the program, we use a for loop to call the fib function with different"""
  
      prompt = os.getenv("PROMPT", prompt)
      run_tokenizer1(prompt)
  
file_path: h2ogpt/tests/test_tokenizer.py
imports: import os
  import nltk
  import pytest
  from tests.utils import wrap_test_forked
  import re
  import time
label_desc: Use image node_id 3 for calling a global function with example usage: test_tokenizer1() without return types