Please help me fix this code:

# Prompt user for input and output file names

file$1\_$name $=$ input$("$Enter the name of input file without $.$txt extension: $")$

file$2\_$name $=$ input$("$Enter the name of output file without $.$txt extension: $")$

# Open input and output files

with open$($file$1\_$name $+".$txt$","$r$")$ as file$1,$ open$($file$2\_$name $+".$txt$","$w$")$ as file$2$:

# Write headers to output file

file$2.$write$(\text{'}\{0$:$<20\}\{1$:$<10\}\{2$:$<10\}\{3$:$<10\}\{4$:$<10\}\{5$:$<15\}\{6$:$<15\}\{7$:$<10\}$

$\text{'}.$format$("$Name$.","$ID$.","($Test$1)","($Test$2)","($HW$)","($Project$)",$"TotalScore","Grade"$))$

# Process each line in the input file

for line$\_$number, line in enumerate$($file$1.$readlines$())$:

# Split line data by colon delimiter

data $=$ line.strip$().$split$(\text{'}$:$\text{'})$

# Extract relevant information

name $=$ data$[0].$strip$()$

student$\_$id $=$ data$[1].$strip$()$

test$1=$ int$($data$[2].$strip$())$

test$2=$ int$($data$[3].$strip$())$

hw $=$ int$($data$[4].$strip$())$

project $=$ int$($data$[5].$strip$())$

# Calculate total score

total$\_$score $=(0\mathrm{.}2*$ test$1)+(0\mathrm{.}2*$ test$2)+(0\mathrm{.}4*$ hw$)+(0\mathrm{.}2*$ project$)$

# Determine grade

grade $=\text{'}$A$\text{'}$ if total$\_$score $>=90$ else $(\text{'}$B$\text{'}$ if total$\_$score $>=80$ else $(\text{'}$C$\text{'}$ if total$\_$score $>=70$ else $(\text{'}$D$\text{'}$ if total$\_$score $>=60$ else $\text{'}$F$\text{'})))$

# Write data to output file

file$2.$write$(\text{'}\{0$:$<20\}\{1$:$<10\}\{2$:$<10\}\{3$:$<10\}\{4$:$<10\}\{5$:$<15\}\{6$:$<15\}\{7$:$<10\}$

$\text{'}.$format$($name$,$ student$\_$id$,$ test$1,$ test$2,$ hw$,$ project, int$($total$\_$score$),$ grade$))$

print$("$Process was done successfully"$)$