12th Computer Science Weekly Test - 5 ( Strings and String manipulations )

St. Britto Hr. Sec. School - Madurai

12th Computer Science Weekly Test - 5 ( Strings and String manipulations )-Aug 2020

Time : 1.15 Hours

Part - A

Generic 2 - Answer All Question

if strl ="Welcome to learn python", then write
the output for the following.
(i) print (strl [10: 16]) ·
(ii) print (strl [10: 16: 4])
(iii) print (strl [10: 16: 2])
(iv) print (strl [:: 3])

What has to be filled in the blank to get the
following output
(i) Welcome python
(ii) Welcome to learn python
From
(a) print ("Welcome" _ "Python")
strl = "Welcome"
(b) print (Strl ___ "to learn python")

Write a program to append a string to another string without using += operator.

Write a program to count the number of characters, words and lines in a given string.

Do you modify a string in Python?

Write the general format of slice operation.

Part - B

Generic 3 - Answer All Question

Why 'in' and 'not in' operators are called membership operator? Explain with example.

Write the description for the following escape sequence.
(i) \r
(ii) \000
(iii) \v

What will be the output of the given python program?
str1 = "welcome"
str2 = "to school"
str3=str1[:2]+str2[len(str2)-2:]
print(str3)

Write the syntax and example of using string characters.

Write the usage of the following format string characters.
(i) % c
(ii) % d (or)% i
(iii) % s

Program to display the number of vowels and consonants in the given string
str1=input ("Enter a string: ")
str2="aAeEiIoOuU"
v,c=0,0
for i in str1:
if i in str2:
v+=1
else:
c+=1
print ("The given string contains { } vowels and { } consonants".format(v,c))

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12th Computer Science Weekly Test - 5 ( Strings and String manipulations )

St. Britto Hr. Sec. School - Madurai

12th Computer Science Weekly Test - 5 ( Strings and String manipulations )-Aug 2020

Part - A

Generic 2 - Answer All Question

if strl ="Welcome to learn python", then write the output for the following. (i) print (strl [10: 16]) · (ii) print (strl [10: 16: 4]) (iii) print (strl [10: 16: 2]) (iv) print (strl [:: 3])

What has to be filled in the blank to get the following output (i) Welcome python (ii) Welcome to learn python From (a) print ("Welcome" _______ "Python") strl = "Welcome" (b) print (Strl _________ "to learn python")

Write a program to append a string to another string without using += operator.

Write a program to count the number of characters, words and lines in a given string.

Do you modify a string in Python?

Write the general format of slice operation.

Part - B

Generic 3 - Answer All Question

Why 'in' and 'not in' operators are called membership operator? Explain with example.

Write the description for the following escape sequence. (i) \r (ii) \000 (iii) \v

What will be the output of the given python program? str1 = "welcome" str2 = "to school" str3=str1[:2]+str2[len(str2)-2:] print(str3)

Write the syntax and example of using string characters.

Write the usage of the following format string characters. (i) % c (ii) % d (or)% i (iii) % s

Program to display the number of vowels and consonants in the given string str1=input ("Enter a string: ") str2="aAeEiIoOuU" v,c=0,0 for i in str1: if i in str2: v+=1 else: c+=1 print ("The given string contains { } vowels and { } consonants".format(v,c))

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if strl ="Welcome to learn python", then write
the output for the following.
(i) print (strl [10: 16]) ·
(ii) print (strl [10: 16: 4])
(iii) print (strl [10: 16: 2])
(iv) print (strl [:: 3])

What has to be filled in the blank to get the
following output
(i) Welcome python
(ii) Welcome to learn python
From
(a) print ("Welcome" _ "Python")
strl = "Welcome"
(b) print (Strl ___ "to learn python")

Write the description for the following escape sequence.
(i) \r
(ii) \000
(iii) \v

What will be the output of the given python program?
str1 = "welcome"
str2 = "to school"
str3=str1[:2]+str2[len(str2)-2:]
print(str3)

Write the usage of the following format string characters.
(i) % c
(ii) % d (or)% i
(iii) % s

Program to display the number of vowels and consonants in the given string
str1=input ("Enter a string: ")
str2="aAeEiIoOuU"
v,c=0,0
for i in str1:
if i in str2:
v+=1
else:
c+=1
print ("The given string contains { } vowels and { } consonants".format(v,c))