CODE: n=int(input("How many rows\n")) for i in range(1,n+1): for j in range(1,i+1): print("*",end=" ") print() OUTPUT: How many rows 5 * * * * * * * * * * * * * * *
A B C D E F G H I J K L M N O P Q R S T U CODE: x="A" y=0 n=int(input("How many rows\n")) for i in range(0,n+1): for j in range(0,i+1): print(chr(ord(x)+y),end=" ") y=y+1 print() OUTPUT: How many rows 5 A B C D E F G H I J K L M N O
s=1 - 1/2 + 1/3 - 1/4 + 1/5 .... CODE: sum=0.0 sign=1 n=int(input("How many terms?\n")) for i in range(1,n+1): sum=sum+((1/(i+1))*sign) sign=-sign print("sum of series is ",sum) OUTPUT: How many terms? 5 sum of series is 0.3833333333333333
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