Verify that print output is exactly the same as in the assignment, should have printed line which contains "02-212121"
when input was
1
jukka
02-212121
4
pekka
mannerheimintie
helsinki
1
pekka
09-12345
1
pekka
09-54321
1
antti
040-111222
7
kk
x


Program printed:
phone search
available operations:
 1 add a number
 2 search for a number
 3 search for a person by phone number
 4 add an address
 5 search for personal information
 6 delete personal information
 7 filtered listing
 x quit
command: whose number: number: command: whose address: street: city: command: whose number: number: command: whose number: number: command: whose number: number: command: whose information: keyword (if empty, all listed):  pekka
  address: mannerheimintie helsinki
   09-12345
   09-54321
command: