String to BrainF**k in 2 different versions! Python execution recorded with https://rextester.com/, BrainF**k execution/steps recorded with https://minond.xyz/brainfuck/

1.py

def StrToBrf(v: str) -> str:
    result = []
    current = 0
    for ch in v:
        target = ord(ch)
        diff = target - current
        if diff > 0:
            result.append('+' * diff)
        elif diff < 0:
            result.append('-' * abs(diff))
        result.append('.')
        current = target
    return ''.join(result)


print(StrToBrf('String to Brainfuck')) # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.+++++++++++++++++++++++++++++++++.--.---------.+++++.-------.-----------------------------------------------------------------------.++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.-----.-------------------------------------------------------------------------------.++++++++++++++++++++++++++++++++++.++++++++++++++++++++++++++++++++++++++++++++++++.-----------------.++++++++.+++++.--------.+++++++++++++++.------------------.++++++++.

"""
RESULTS:
~~~~~~~~~~~
PYTHON EXECUTION:
-----------------
- Absolute running time: 0.16 sec
- cpu time: 0.03 sec
- memory peak: 8 Mb 
- absolute service time: 0.25 sec

BF OUTPUT/EXECUTION:
--------------------
- 559 bytes
- 557 steps
"""

2.py

def cdc(i: int) -> int:
    t = i % 10
    if t > 5: 
        i += 10
    return i - t

def StrToBrf(v: str) -> str:
    s = ['+' * 10 + '[']
    t = []
    for ch in v:
        i_ord: int = ord(ch)
        i_cdc: int = cdc(ord(ch))
        i_max: int = 256 - i_ord
        s.append('>' + ('-' * i_max if i_max < 128 else '+' * (i_cdc // 10)))
        t.append('>' + ('+' if i_ord - i_cdc > 0 else '-') * abs(i_ord - i_cdc))
    s.append('<' * len(v) + '-]' + ''.join(t) + (len(v) - 1) * '<' + '[.>]')
    return ''.join(s)

print(StrToBrf('String to Brainfuck')) # ++++++++++[>++++++++>++++++++++++>+++++++++++>++++++++++>+++++++++++>++++++++++>+++>++++++++++++>+++++++++++>+++>+++++++>+++++++++++>++++++++++>++++++++++>+++++++++++>++++++++++>++++++++++++>++++++++++>+++++++++++<<<<<<<<<<<<<<<<<<<-]>+++>---->++++>+++++>>+++>++>---->+>++>---->++++>--->+++++>>++>--->->---<<<<<<<<<<<<<<<<<<[.>]

"""
RESULTS:
~~~~~~~~~~~
PYTHON EXECUTION:
-----------------
- Absolute running time: 0.16 sec
- cpu time: 0.03 sec
- memory peak: 8 Mb
- absolute service time: 0.29 sec

BF OUTPUT/EXECUTION:
--------------------
- 329 bytes
- 2388 steps
"""