exam9

#Problem9
import string
def find_bananas(file_name):
    f = open(file_name,'r')
    counter = 0
    for line in f:
        line = line.lower()
        index = line.find("banana")
        while index > -1:
            counter +=1
            index = line.find("banana",index+1)
    return counter
#MainProgramBelow
print("The number of bananas in your file is", find_bananas("bananas.txt"))