Question

print these patterns using for loop in python

Answer 1

Answer:

1)First pattern

for i in range(1,5):

      for j in range(i):  

             if(j%2==0):

                   print(1,end="")

             else:

                   print(0,end="")

       print()

Answer 2

Pattern 1:-

1

1 0

1 0 1

1 0 1 0

Program:-

for i in range(1,5):

for j in range(1,i+1):

print(j%2,end=" ")

print()

Pattern 2:-

10 9 8 7

6 5 4

3 2

1

Program:-

a=10

for i in range (5,1,-1):

for j in range(1,i):

print(a, end=" ")

a=a-1

print()

Pattern 3:-

A

A B

A B C

A B C D

Program:-

n = 4

for i in range(1, n + 1):

for j in range(1, i + 1):

print(c hr(ord('A') + j - 1), end = " ")

print()

For verification,check out the attachment.