# --------------
# Importing header files
import numpy as np

# Path of the file has been stored in variable called 'path'
data_file=path # path for the file
data=np.genfromtxt(data_file, delimiter=",", skip_header=1)
#New record
new_record=[[50,  9,  4,  1,  0,  0, 40,  0]]

#Code starts here
census=np.concatenate([data,new_record])
print(census)


# --------------
#Code starts here
age=np.array(census[:,0]).astype(int)
max_age=np.max(age)
min_age=np.min(age)
age_mean=np.mean(age)
age_std=np.std(age)
print(age)
print(max_age)
print(min_age)
print(age_mean)
print(age_std)


# --------------
#Code starts here
race_0=census[census[:,2]==0]
race_1=census[census[:,2]==1]
race_2=census[census[:,2]==2]
race_3=census[census[:,2]==3]
race_4=census[census[:,2]==4]
len_0=len(race_0)
len_1=len(race_1)
len_2=len(race_2)
len_3=len(race_3)
len_4=len(race_4)
isx=[]
isx.append(len_0)
isx.append(len_1)
isx.append(len_2)
isx.append(len_3)
isx.append(len_4)
minority_race=isx.index(min(isx))
print(minority_race)



# --------------
#Code starts here
senior_citizens=census[census[:,0]>60]
working_hours_sum=np.sum(senior_citizens[:,6])
senior_citizens_len=len(senior_citizens)
avg_working_hours=working_hours_sum/senior_citizens_len
print(avg_working_hours)


# --------------
#Code starts here
high=census[census[:,1]>10]
low=census[census[:,1]<=10]
avg_pay_high=np.mean(high[:,7])
avg_pay_low=np.mean(low[:,7])
avg_pay_high==avg_pay_low


