"""
Example from lecture 8/9-2025. 
Read a file with precipitation data and
store in list. 
"""

with open("precip_roma.txt") as infile:
    months = []
    rainfall = []
    infile.readline() # hopp over f?rste linje
    for line in infile:
        words = line.split()
        # words[0]: m?ned, words[1]: nedb?r
        months.append(words[0])
        rainfall.append(float(words[1]))
    months = months[:-1]      # Dropp "Year"
    annual_avg = rainfall[-1] # Lagre ?rsgjennomsnittet
    rainfall = rainfall[:-1]  # Fjern fra listen

print('Gjennomsnittlig nedb?r for m?nedene:')
for month, value in zip(months, rainfall):
    print(month, value)
print('Gjennomsnittlig ?rlig nedb?r:', annual_avg)