lab08.py

import string
import matplotlib.pyplot as plt

#MAIN
# EX1:
dc = {"Bob":"dog", "Henry":"cat", "Thomas":"lamb"}

print(dc["Bob"])
print(len(dc))

print("cat" in dc)

a = dc

dc["Bob"]="fish"

for k in dc:
    print(k, 'is a', dc[k])


def clearRow(str):
    newR = ''
    for ch in str:
        if ch not in string.punctuation and ch!='\n':
            newR+=ch.lower()
    return newR

#EX2:
fin = open('input.txt','r')
dc = {}
for row in fin:
    row = clearRow(row)
    for word in row.strip().split(' '):
        if word in dc:
            dc[word] += 1
        else:
            dc[word] = 1

for k in dc:
    print(k,': ', dc[k])

ls_k = [k for k,v in dc.items() if v>2]
ls_v = [v for k,v in dc.items() if v>2]
plt.bar(range(len(ls_k)),ls_v)
plt.xticks(range(0,len(ls_k)),ls_k,rotation=90)
plt.show()

fin.close()

def dateConvert(str):
    # dict = {"JAN":1, "FEB":2, "MAR":3, "APR":4, ""}....
    month = ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"]
    nums = range(1,13)
    dic = dict(zip(month,nums))
    parts = str.split('-')
    if int(parts[2]) <= 20:
        year = '20'+parts[2]
    else:
        year = '19'+parts[2]
    return (int(year),dic[parts[1]],int(parts[0]))

#EX3:
str = input("Give me a date in format (dd-MMM-yy): ")
print(dateConvert(str))

#EX4:
dict = {}
for d1 in range(1,7):
    for d2 in range(1,7):
        if d1+d2 in dict:
            dict[d1+d2].append((d1,d2))
        else:
            dict[d1+d2] = [(d1,d2)]

for k,v in dict.items():
    print(k,':',len(v),':',v)