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age={'krishna':41,'agham':18,'digvijay':18,'chandani':21}

for k in age:
    print(k,age[k])
inv_age={}
for k in age:
    v=age[k]
    if v not in inv_age:
        inv_age[v]=[k]
    else:
        inv_age[v].append(k)
print(inv_age)
age={'krishna':41,'agham':18,'digvijay':18,'chandani':21,'priyal':14}

name=['krishna','chandani','agham','priyal']
agelist=[18,21,18,14]

searchname=input()
for i in range(len(name)):
    if(name[i]==searchname):
        print(agelist[i])
        break
print(age[searchname])
# searchage=int(input("find the person with age:"));
# for j in range(len(agelist)):
#     if(agelist[j]==searchage):
#         print(name[j])
mystr="papa kehte hai, beti engineer banegi"
agelist=[18,21,18,41,18,21]
age={'krishna':41,'agham':18,'digvijay':18,'chandani':21,'priyal':14}

def histogram(s):
    hist={}
    for i in s:
        if i not in hist:
            hist[i]=1
        else:
            hist[i]=hist[i]+1
    return hist

print(histogram(mystr))
print(histogram(agelist))
print(histogram(age.values()))
fp=open('lorenz.py')
count_line=0
num_words=0
characters=0
for line in fp:
    print(line)
    count_line=count_line+1
    words=line.split()
    print(words)
    num_words+=len(words)
    print(len(line))
    characters=characters+len(line)
print(count_line)
print(num_words)
print(characters)
    
fp=open('output.txt','w')
fp.write("good morning\n")
fp.write("good afternoon")
fp.close()