revision.py

"""name1 = "Aditi"
# list [2,3,4] collection
# tuple [2,3,5] fixed collection
# set {2,4} unique values
# dict {"a" : 1}  key - value

name = "Python"

print(name[0])
print(name[1])

print("Hi " * 3)
name2 = input("Enter your name: ") # string by default

print(name2)

# flot to int
x = 5.9

print(int(x))

x = 5
y = "5"

print(x == y)

name = input("Enter name: ")
print("Hello", name)

x = int(input("Enter no: "))
print(x)

# exponent 
print(2 ** 3) 

for i in range(5):
    print(i) # starts from 0 and stop before 5

for i in range(0, 10, 2):
    print(i)  # range(start , stop , step)

for i in range(0,10):
    print(i) # range(start , stop)

for i in range(3):

    for j in range(2):
        print(i, j)

for i in range(5):

    if i == 2:
        continue

    print(i)

# list
# Ordered
#Changeable (mutable)
#Allows duplicates 
#Stores different data types
list = [1, "aditi", 3.3, True]
print(list)
print(list[1])
list[1] = "Nikita" # change value
list.append(5) # append at end
list.insert(0,"start")
print(list)
list.pop()
list.remove(1)
print(list)

nums = [10,20,30,40,50]

print(nums[1:4])

# string - Cannot change directly.
name = "python"

print(name.upper())
print(name.lower())
text = "  hello  "

print(text.strip())   # remove spaaces
text = "I like Java"

print(text.replace("Java", "Python"))

text = "apple mango banana"

print(text.split())  # convert string to list

words = ['I', 'love', 'Python']

print(" ".join(words)) # list to string

name = "Aditi"
age = 19

print(f"My name is {name} and age is {age}") 

student = {
    "name" : "Aditi",
    "age" : 19
}

print(student)

student["branch"] = "Aids"
print(student)

for i in student:
    print(i)

for j in student.values():
    print(j)

for k,m in student.items():
    print(k,m)

print(student.get("name"))

data = {
    "student1": {
        "name": "Aditi",
        "age": 19
    }
}

print(data["student1"]["name"])

# TUPLES immutable
a = (3,"Aditi",4.2)

print(a)

# sets - unique values, no indexing
s = {1,2,2,3,3}

print(s)"""

# functions
def greet(name):
    print("hello",name)

greet("aditi")

def greet(name, name2):
    print("hello",name, name2)

greet("aditi","nikita")