s = ':put "hello" ; :local x 5 ; :put $x'
print('orig:', repr(s))
print('orig raw:', s)

# The original escape logic
escaped = s.replace('\\', '\\\\').replace('"', '\\"').replace('$', '\\$')
print('escaped repr:', repr(escaped))
print('escaped raw:', escaped)

# What RouterOS expects:
# In RouterOS CLI: /system script add source=":put \"hello\" ; :local x 5 ; :put \$x"
# The CLI parser sees: \", \$, and stores: :put "hello" ; :local x 5 ; :put $x

# Test: what does the CLI actually store?
# Note: the escaped value needs to be:
# - \" for literal double quote
# - \$ for literal dollar sign
# - \\ for literal backslash

correct = s.replace('"', '\\"').replace('$', '\\$')
print('\ncorrect repr:', repr(correct))
print('correct raw:', correct)