Nested Loop Python

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 # for i in range(4):

#     print("*" *5)

# n=int(input("enter row="))
# for i in range(n):
#     for j in range(1,n+1):
#         print(j,end=" ")
#     print()

# n=int(input("enter row="))
# for i in range(1,n+1):  
#     for j in range(1,i+1):
#         print(j,end=" ")
#     print()

# n=int(input("enter row="))
# for i in range(1,n+1):
#     for j in range(1,i+1):
#         print(chr(j+64),end=" ")
#     print()

# n=int(input("enter row="))
# for i in range(1,n+1):
#     for j in range(1,n-i+1):
#         print(" ",end=" ")
#     for k in range(1,2*i):
#         print(k,end=" ")
#     print()

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