Find length of list using while loop without len() in python
#Python 3.7.5
L=[10,10,2]
i=0
while L[i:]:
i+=1
print("Length is ",i)
#Likewise length of string
S="NAME"
i=0
while S[i:]:
i+=1
print("len is ",i)
Counting time taken for programme in python
#Python 3.7.5 import time,math t=time.clock() print(math.factorial(5)) t2=time.clock()-t print("Time taken is ",t2) NOTE: From python 3.8 onwards use time.perf_counter() #Python 3.8 import time,math t=time.perf_counter() print(math.factorial(5)) t2=time.perf_counter()-t print(t2)
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