“ell” “Hi” => “Hi” “H” => “ “

1. 
   Ikkita satr kiriting. Kiritilgan satrlarni qo’shib, birinchi belgisiz chiqaring
   

“Hello” “There” => elloThere

2. 
   Satr kiriting. Kiritilgan satrni birinchi va oxirgi belgilarisiz chiqaring.
   

“Hello”-> “ell”

“Hi” => “Hi”

“H” => “ “

3. 
   Satr kiriting. Agar shu satrning boshida yoki oxirida ”x” belgisi bo’lsa, shu belgini o’chirib chiqaring.
   

“xHellox” -> Hello

“Hi” -> Hi

“xHexllo” -> Hexllo

4. 
   Ikkita satr kiriting. Biri qisqa, biri uzun bo’lsin. qisqa+uzun+qisqa ko’rinishida chiqaring.
   

“Hello” “Hi” => HiHelloHi

“B” “aaaa” => BaaaaB

5. 
   Satr kiriting. Agar satr “li” qo’shimchasi bilan tugasa, true qiymat aks holad false qiymat chiqarsin.
   

“sifatli” => true

“chiroy” => false

6. 
   Juft uzunlikka ega satr kiritilgan. Shu satrni birinchi yarmini chiqaring.
   

“WooHoo” => Woo

“SalomDunyo” => Salom

7. 
   Ikkita satr kiritilgan. Birinchi satrning birinchi belgisi, ikkinchi satrning oxirgi belgisini qo’shib haosil bo’gan satrni chiqaring. Agar ikkinchi satr bo’sh bo’lsa, “@” belgiini qo’shib chiqaring.
   

“Last” “Chars” => “Ls”

“Hi” “ “ => “Hi@”

8. 
   Toq uzunlikka ega satr kiritilgan. Shu satrning markazdagi 3 ta belgisini chiqaring.
   

“Candy” => “and”

“and” => “and”

“Anor”=> “nor”

9. 
   Juft uzunlikdagi satr berilgan. Shu satrning markazdagi 2 ta belgisini chiqaruvchi dastur tuzing.
   

“String” => “ri”

“Olma” => “lm”

“ab” => “ab”

10. 
    Satr va son kiriting. Satr oxiridagi 2 ta belgini son necha bo’lsa, shuncha marta takrorrlab yozib satr oxiriga qo’shib chiqaruvchi datsur tuzing.
    

“hello” 3 => “hellololo”

“ab” 4 => “abababab”

“H” 2 => “HH”