# Text_to_Int
```python
#converts text string to integer string
#using 2-digit blocks
def text_Z26(text):
letters='abcdefghijklmnopqrstuvwxyz'
Z26=''
for i in text:
Z26+=format(letters.find(i),'02d')
return(Z26)
```
```python
text_Z26('security')
```
Output: '1804022017081924'
```python
#converts integer string to text string
#using 2-digit blocks
def Z26_text(Z26):
letters='abcdefghijklmnopqrstuvwxyz'
text=''
for i in range(0,len(Z26),2):
text+=letters[int(Z26[i:i+2])]
return(text)
```
```python
Z26_text('1804022017081924')
```
Output: 'security'
```python
Z26_text(text_Z26('check'))
```
Output: 'check'