def readAge$($filename$)$:

strAge $=$ None

while True:

try:

if strAge is

:

infile $=$ open$($filename$)$

strAge $=$ infile.readline$()$

$=$ int$($strAge$)$

print$(\text{'}$Next year you will be$\text{'},$ age$+1)$

break

except

:

print$(\text{'}$Value cannot be converted to integer.$\text{'})$

strAge $=$ input$("$Enter a proper age: $")$

except

:

print$(\text{'}$Input file is missing:$\text{'},"\text{'}"+$

$+"\text{'}")$

filename $=$ input$("$Enter a new filename: $")$