Chapter 12
Chapter 12 - String Manipulation
[Solutions for the book "Cs with Python"
by Sumita Arora for class 11]
Page 377
Q)Write a program that prompts for a phone number of 10 digits and two dashes, with dashes after area code and the next three numbers.
Solution :
a=raw_input("Enter your phone no. in format [eg - 942-559-2555] ")
if len(a)==12:
if a[3]=='-' and a[7]=='-':
print "Valid"
else:
print "Invalid"
else:
print "You've not entered correct phone no./ proper format "
Q2) Write a program that (i) Prompt the user for a string (ii) extract all the digits from the string. (iii) If there are digits sum the collected digits else print "The string has no digits"if len(a)==12:
if a[3]=='-' and a[7]=='-':
print "Valid"
else:
print "Invalid"
else:
print "You've not entered correct phone no./ proper format "
Solution :
a=raw_input("Enter no.s ")
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