text: def biddate_for_student(student_id):
      bids = [901, 902, 903, 905, 906, 907, 908, 910, 911, 912, 913, 914, 
              915, 917, 918, 920, 921, 922, 923, 924, 925, 926, 927, 928, 930, 931, 932,
              937, 938, 939, 940, 941, 942, 944, 945, 946, 947, 949, 951, 952, 953, 954, 
              955, 956, 958, 959, 961, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 
              973, 974, 975, 976, 977, 978, 979, 981, 982, 983, 984, 985, 987, 988, 989, 
              990, 991, 993, 994, 995, 996, 997, 998]
      dates = ["2016-02-%02d"%i for i in range(2,21)]
      n = sum([ord(i) for i in student_id])
      return bids[(n*4)%len(bids)], dates[(n*5)%len(dates)]
  
  
  