Dictionary Data-type

 d1 = {"Umair":"checken","Numan":"fastfood","Rehman":{"breakfast":"anda paratha","launch":"Palio","dinner":"Nalibriyani"}}

print(d1["Rehman"]["launch"])

print(d1["Numan"])

print(d1["Rehman"])

# HOW TO ADD NEW VALUE IN DICTIONRY

d1["Umer"] = "Kabaab"

print(d1)

d1[420] = "Rani juss"

print(d1)

#HOW TO DELETE A VALUE FROM THE DICTIONARY

del d1[420]

print(d1)

# ALWAYS USE A COPY IF YOU ASSIGN TO OTHER VARIABLE 

# d2 = d1 

# del d2["Numan"] 

# print(d1)

d2 =d1.copy() 

del d2["Numan"] 

print(d1)

# UPDATE DICTIONARY

d1.update({"green":"Mango"})

print(d1)

# ITEMS FUNCTION

d3 = {

    "FORD":"3000",

    "BMW":"4000",

    "Lambergeni":"5000"

}

x = d3.items()

print(x)

# KEYS FUNCTION 

y = d3.keys()

print(y)

# VALUES FUNCTION

z = d3.values()

print(z)

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