text_plain_output_1.png
a = 'The quick brown fox jumps over the lazy dog'
b = set(a)
b

a = 'The quick brown fox jumps over the lazy dog'
b = set(a)
count = 0
for i in b:
    count = count + 1

a = 'The quick brown fox jumps over the lazy dog'
a = a.lower()
a

a = 'The quick brown fox jumps over the lazy dog'
a = a.lower()
b = set(a)
b

a = 'The quick brown fox jumps over the lazy dog'
a = a.lower()
b = set(a)
for i in b:
    if i.isalpha() == True:
        count = count + 1

A = (3, 4, 5, 6)
B = (4, 5)
count = 0
for i in B:
    for j in A:
        if i == j:
            count = count + 1
            break
if count == len(B):
    print('B is a subset of A')
else:
    print('B is not a subset of A')