ValueError: could not convert string to float: "'QY

[mosoriob]

 'QXX             '

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-11-f497a31993f2> in <module>
     11 #             print(type(subline), subline)
     12             for j in range(3):
---> 13                 velocity_vector[itera, 0] = float(subline[j])
     14                 itera += 1
     15 

ValueError: could not convert string to float: "'QY

[Jinwoousc]

f = open('aquifer.ftl', 'r')
cell_number = nlay * nrow * ncol
velocity_vector = np.zeros((cell_number,3))

for line in f:
    if line[3] == 'X':
        print(line)
        subline = f.readline().split()
        for j in range(cell_number):
            velocity_vector[j, 0] = float(subline[j])

    if line[3] == 'Y':
        print(line)
        subline = f.readline().split()
        for j in range(cell_number):
            velocity_vector[j, 1] = float(subline[j])

    if line[3] == 'Z':
        print(line)
        subline = f.readline().split()
        for j in range(cell_number):
            velocity_vector[j, 2] = float(subline[j])
        
f.close()