correct requierements + add random start

requirements.txt

@@ -1,4 +1,4 @@
 fire
 qiskit
-qiskit-optimization
+qiskit_optimization
 requests

src/function.py

@@ -1,4 +1,5 @@
 """Input controler to check the input from player."""
+import math
 from qiskit import Aer, QuantumCircuit, execute
 
 
@@ -22,7 +23,8 @@ def control_input(options: int, input_ctl: int) -> bool:
                 print("Please give a valid gate between {}".format(options))
     return False
 
-def who_start(psi: int, backend_sim: Aer) -> int:
+
+def who_start(psi: float, backend_sim: Aer) -> int:
     """Function to check who start.
     Args:
         psi: angle for the qubit

src/main.py

@@ -22,9 +22,10 @@ def battle(player1: list, player2: list, backend_sim: Aer) -> Tuple:
     if nb_player == "1":
         computer[1] = True
 
-    begin = who_start(psi=0.5, backend_sim)
+    begin = who_start(psi=0.5, backend_sim=backend_sim)
     if begin == 0:
         player1[0] = True
+        print("You start")
     else:
         player2[0] = True
         computer[0] = True