with open("file.txt", "r") as file:
data = file.read

count_ABCDEFGH = data.count${}^{\prime }{A}^{\prime }$ + data.count${}^{\prime }{B}^{\prime }$ + data.count${}^{\prime }{C}^{\prime }$ + data.count${}^{\prime }{D}^{\prime }$ + data.count${}^{\prime }{E}^{\prime }$ + data.count${}^{\prime }{F}^{\prime }$ + data.count${}^{\prime }{G}^{\prime }$ + data.count${}^{\prime }{H}^{\prime }$ count_STUVWXYZ = data.count${}^{\prime }{S}^{\prime }$ + data.count${}^{\prime }{T}^{\prime }$ + data.count${}^{\prime }{U}^{\prime }$ + data.count${}^{\prime }{V}^{\prime }$ + data.count${}^{\prime }{W}^{\prime }$ + data.count${}^{\prime }{X}^{\prime }$ + data.count${}^{\prime }{Y}^{\prime }$ + data.count${}^{\prime }{Z}^{\prime }$ count_K = data.count${}^{\prime }{K}^{\prime }$

print(f"Total count of letters A, B, C, D, E, F, G, H: {count_ABCDEFGH}")
print(f"Total count of letters S, T, U, V, W, X, Y, Z: {count_STUVWXYZ}")
print(f"Total count of letter K: {count_K}")