#Exer. 4.4 in "A primer on..."

Fdeg = []
Cdeg = []

with open('fdeg.txt','r') as infile:
    for i in range(3):
        infile.readline()

    for line in infile:
        words = line.split()
        F = float(words[-1])
        C = (F-32)*5/9
        Fdeg.append(F)
        Cdeg.append(C)

with open('fc_deg.txt','w') as outfile:
    for F,C in zip(Fdeg,Cdeg):
        outfile.write(f'{F:6.2f} {C:6.2f} \n')


"""
Terminal> python f2c_file_read_write.py
No output to terminal. See file fc_deg.txt
"""