I want to check weather number present in the dictionary or not ?- Nested dictionary

Question

def check(check,number):
for key,value in check.items():
if number is (key,value):
print("yes")
else:
print("No")
check({1:{2:{3:{4:5}}}},4)

Answer 1

Slick , you code doesn't work with nested dict, needs some changes

Answer 2

Thanks Vitaly Sokol revised.

https://code.sololearn.com/criHdBA803x6/?ref=app

Answer 3

Use recursion
https://code.sololearn.com/c6qp9AgoqL1A/?ref=app