View Compilation Error

0_0_39715805_16071.c:1:1: error: unknown type name 'def'
    1 | def josephus_killer(k):
      | ^~~
0_0_39715805_16071.c: In function 'josephus_killer':
0_0_39715805_16071.c:1:23: error: expected declaration specifiers before ':' token
    1 | def josephus_killer(k):
      |                       ^
0_0_39715805_16071.c:10:3: error: invalid preprocessing directive #Read
   10 | # Read input from stdin
      |   ^~~~