Python subjective question for competitive exam (16)

Q1.Program to add,delete,update element from dictionary.

d={"roll":"1","name":"ram","age":12}
d["phone"]="9999000000"
print(d)
del d["name"]
print(d)
d.update({"roll":"2"})
print(d)

Output
==================== RESTART: C:/Users/Dell/Desktop/dd.py ====================
{'roll': '1', 'name': 'ram', 'age': 12, 'phone': '9999000000'}
{'roll': '1', 'age': 12, 'phone': '9999000000'}
{'roll': '2', 'age': 12, 'phone': '9999000000'}

Q2.Program to add,delete,update element in list.

d=["ram","sham","rama","geeta"]
print(d)
del d[1]
print(d)
d.append("jeeta")
print(d)
d[2]="meena"
print(d)

Output
>>> 
==================== RESTART: C:/Users/Dell/Desktop/dd.py ====================
['ram', 'sham', 'rama', 'geeta']
['ram', 'rama', 'geeta']
['ram', 'rama', 'geeta', 'jeeta']
['ram', 'rama', 'meena', 'jeeta']

Q3.Program to reverse a string.

def revstr(x):
    return x[::-1]
result=revstr("ram")
print(result)

Output
>>> 
================ RESTART: C:/Users/Dell/Desktop/palindrome.py ================
mar

Q4.Program to find given string is palindrome or not.

def revstr(x):
    return x[::-1]
x="ram"
result=revstr(x)
print(result)
if  list(x)==list(result):
    print("string is palinrome")
else:
    print("string is not palindrome")

Output
>>> 
================ RESTART: C:/Users/Dell/Desktop/palindrome.py ================
mar
string is not palindrome

Q5.Program to print name,age,address using function.

def mydetail(name,age,address):
    print(name)
    print(age)
    print(address)
mydetail("ram","10","xyz")

Output
>>> 
==================== RESTART: C:/Users/Dell/Desktop/hu.py ====================
ram
10
xyz