names = ["Dave Lombardo", "Kerry King", "Tom Araya", "Jeff Hanneman"]
for element in names:
    print(element[0]+element.split()[1][0])

zakupy = {'maslo':1, 'chleb':1, 'piwo':6, 'ser-kg':0.2}
ceny = {'chleb':2.35, 'maslo':4.15, 'piwo':3.20, 'ser-kg':21.70}

suma=0
for i in zakupy.keys():
    suma= suma+zakupy[i]*ceny[i]
print(suma)

p=[]
dane="-2.350320000   -0.000330522   -0.024680662   -2.332649481   -0.001169134   -0.079902756   -2.314978961   -0.003703583   -0.230341241   -2.297308442"
tab=dane.split()
for liczba in tab:
    p.append(float(liczba))
print(p)

lias=[float(x) for x in dane.split()]
print(lias)

lista = ["element 1", "element 2", "element 3", "element 4.0", 5, 6]
flag = 0
for i in lista[1:]:
    if type(lista[0]!= type(i)):
        flag =1
        break
print (flag)


seq = 'GCCGGGGGACTTCCCGCTTGAAGTGCCGTATGCGACAGGGTGCGTGCACCCACCGGACCTGCTTAGACTAGGTTCGGACCGGTTGGAGGTGCGTCCAGATCTCAGTTTTCGTCACCAGGGGGCCCACGCCCTACCCCCATGATCCACTGGCCTCC'
allseq = [a+b for a in 'TGAC' for b in 'TGAC']

print({para: seq.count(para) for para in allseq})