问将用户输入插入后端python shell

EN

while True:
    user_input = input("Python command to execute: ")

    try:
        exec(user_input)
    except Exception as e:
        print("Error thrown.")

import hashlib
import runpy
import time

FILE = "./file.py"

def get_file_md5(file_name):
    with open(file_name, "rb") as f:
        return hashlib.md5(f.read()).hexdigest()

md5 = get_file_md5(FILE)
first_run = True

while True:
    current_md5 = get_file_md5(FILE)
    if md5 != current_md5 or first_run:
        first_run = False
        md5 = current_md5

        try:
            runpy.run_path(FILE)
        except Exception as e:
            print("Error", e)
    else:
        time.sleep(1)

exec_globals = {}
exec('a = 10; print(a)', exec_globals)

print("\na in exec_globals: ", 'a' in exec_globals)
print("exec_globals['a'] =", exec_globals['a'])

print("\na in globals(): ", 'a' in globals())
print(a)

10

a in exec_globals:  True
exec_globals['a'] = 10

a in globals():  False

Traceback (most recent call last):
  File "test.py", line 7, in <module>
    print(a)
NameError: name 'a' is not defined